練習 2：檢閱交談流程 - Amazon Lex
第 1第 2第 3第 4第 5

本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

練習 2：檢閱交談流程

在本練習中，您將檢閱用戶端應用程式和您在其中建立的 Amazon Lex V2 機器人之間傳送的 JSON 結構練習 1：從範例建立機器人。交談會使用RecognizeText作業來產生 JSON 結構。會RecognizeUtterance傳回與回應中的 HTTP 標頭相同的資訊。

JSON 結構由對話的每個回合劃分。轉彎是來自客戶端應用程序的請求和來自機器人的響應。

第 1

在對話的第一個回合中，用戶端應用程式會啟動與您的機器人的對話。URI 和請求的本文都提供請求的信息。

POST /bots/botId/botAliases/botAliasId/botLocales/localeId/sessions/sessionId/text HTTP/1.1
Content-type: application/json

{
    "text": "I would like to order flowers"
}

  • URI 會識別用戶端應用程式正在與之通訊的機器人。它還包括用戶端應用程式產生的工作階段識別碼，用來識別使用者與機器人之間的特定交談。

  • 要求的主體包含使用者輸入至用戶端應用程式的文字。在這種情況下，只會傳送文字，不過您的應用程式可以傳送其他資訊，例如要求屬性或工作階段狀態。有關更多資訊，請參閱 RecognizeText 操作。

從text Amazon Lex V2 偵測使用者的意圖，以訂購鮮花。Amazon Lex V2 選擇其中一個意圖的插槽 (FlowerType) 和插槽的其中一個提示，然後將下列回應傳送給用戶端應用程式。用戶端會顯示對使用者的回應。


{
    "interpretations": [
        {
            "intent": {
                "confirmationState": "None",
                "name": "OrderFlowers",
                "slots": {
                    "FlowerType": null,
                    "PickupDate": null,
                    "PickupTime": null
                },
                "state": "InProgress"
            },
            "nluConfidence": {
                "score": 0.95
            }
        },
        {
            "intent": {
                "name": "FallbackIntent",
                "slots": {}
            }
        }
    ],
    "messages": [
        {
            "content": "What type of flowers would you like to order?",
            "contentType": "PlainText"
        }
    ],
    "sessionId": "bf445a49-7165-4fcd-9a9c-a782493fba5c",
    "sessionState": {
        "dialogAction": {
            "slotToElicit": "FlowerType",
            "type": "ElicitSlot"
        },
        "intent": {
            "confirmationState": "None",
            "name": "OrderFlowers",
            "slots": {
                "FlowerType": null,
                "PickupDate": null,
                "PickupTime": null
            },
            "state": "InProgress"
        },
        "originatingRequestId": "9e8add70-4106-4a10-93f5-2ce2cb959e5f"
    }
}

第 2

接著 2，使用者會依次回應 Amazon Lex V2 機器人的提示，並使用填滿FlowerType插槽的值回應。

{
    "text": "1 dozen roses"
}

迴轉 2 的回應展示填滿的FlowerType槽，並提供引出下一個槽值的提示。


{
    "interpretations": [
        {
            "intent": {
                "confirmationState": "None",
                "name": "OrderFlowers",
                "slots": {
                    "FlowerType": {
                        "value": {
                            "interpretedValue": "dozen roses",
                            "originalValue": "dozen roses",
                            "resolvedValues": []
                        }
                    },
                    "PickupDate": null,
                    "PickupTime": null
                },
                "state": "InProgress"
            },
            "nluConfidence": {
                "score": 0.98
            }
        },
        {
            "intent": {
                "name": "FallbackIntent",
                "slots": {}
            }
        }
    ],
    "messages": [
        {
            "content": "What day do you want the dozen roses to be picked up?",
            "contentType": "PlainText"
        }
    ],
    "sessionId": "bf445a49-7165-4fcd-9a9c-a782493fba5c",
    "sessionState": {
        "dialogAction": {
            "slotToElicit": "PickupDate",
            "type": "ElicitSlot"
        },
        "intent": {
            "confirmationState": "None",
            "name": "OrderFlowers",
            "slots": {
                "FlowerType": {
                    "value": {
                        "interpretedValue": "dozen roses",
                        "originalValue": "dozen roses",
                        "resolvedValues": []
                    }
                },
                "PickupDate": null,
                "PickupTime": null
            },
            "state": "InProgress"
        },
        "originatingRequestId": "9e8add70-4106-4a10-93f5-2ce2cb959e5f"
    }
}

第 3

接著 3，使用者會依次回應 Amazon Lex V2 機器人的提示，並使用填滿PickupDate插槽的值回應。

{
    "text": "next monday"
}

對於迴轉 3 的回應FlowerType和PickupDate槽都已填滿，並提供引出最後一個槽值的提示。


{
    "interpretations": [
        {
            "intent": {
                "confirmationState": "None",
                "name": "OrderFlowers",
                "slots": {
                    "FlowerType": {
                        "value": {
                            "interpretedValue": "dozen roses",
                            "originalValue": "dozen roses",
                            "resolvedValues": []
                        }
                    },
                    "PickupDate": {
                        "value": {
                            "interpretedValue": "2022-12-28",
                            "originalValue": "next monday",
                            "resolvedValues": [
                                "2021-01-04"
                            ]
                        }
                    },
                    "PickupTime": null
                },
                "state": "InProgress"
            },
            "nluConfidence": {
                "score": 1.0
            }
        },
        {
            "intent": {
                "name": "FallbackIntent",
                "slots": {}
            }
        }
    ],
    "messages": [
        {
            "content": "At what time do you want the 1 dozen roses to be picked up?",
            "contentType": "PlainText"
        }
    ],
    "sessionId": "bf445a49-7165-4fcd-9a9c-a782493fba5c",
    "sessionState": {
        "dialogAction": {
            "slotToElicit": "PickupTime",
            "type": "ElicitSlot"
        },
        "intent": {
            "confirmationState": "None",
            "name": "OrderFlowers",
            "slots": {
                "FlowerType": {
                    "value": {
                        "interpretedValue": "dozen roses",
                        "originalValue": "dozen roses",
                        "resolvedValues": []
                    }
                },
                "PickupDate": {
                    "value": {
                        "interpretedValue": "2021-01-04",
                        "originalValue": "next monday",
                        "resolvedValues": [
                            "2021-01-04"
                        ]
                    }
                },
                "PickupTime": null
            },
            "state": "InProgress"
        },
        "originatingRequestId": "9e8add70-4106-4a10-93f5-2ce2cb959e5f",
        "sessionAttributes": {}
    }
}

第 4

第 4 回合，用戶提供意圖的最終插槽值，即花朵被拾取的時間。

{
    "text": "5 in the evening"
}

在回應中，Amazon Lex V2 會傳送確認提示給使用者，以確認訂單是否正確。會dialogAction設定為，ConfirmIntent且confirmationState是None。


{
    "interpretations": [
        {
            "intent": {
                "confirmationState": "None",
                "name": "OrderFlowers",
                "slots": {
                    "FlowerType": {
                        "value": {
                            "interpretedValue": "dozen roses",
                            "originalValue": "dozen roses",
                            "resolvedValues": []
                        }
                    },
                    "PickupDate": {
                        "value": {
                            "interpretedValue": "2021-01-04",
                            "originalValue": "next monday",
                            "resolvedValues": [
                                "2021-01-04"
                            ]
                        }
                    },
                    "PickupTime": {
                        "value": {
                            "interpretedValue": "17:00",
                            "originalValue": "5 evening",
                            "resolvedValues": [
                                "17:00"
                            ]
                        }
                    }
                },
                "state": "InProgress"
            },
            "nluConfidence": {
                "score": 1.0
            }
        },
        {
            "intent": {
                "name": "FallbackIntent",
                "slots": {}
            }
        }
    ],
    "messages": [
        {
            "content": "Okay, your dozen roses will be ready for pickup by 17:00 on 2021-01-04.  Does this sound okay?",
            "contentType": "PlainText"
        }
    ],
    "sessionId": "bf445a49-7165-4fcd-9a9c-a782493fba5c",
    "sessionState": {
        "dialogAction": {
            "type": "ConfirmIntent"
        },
        "intent": {
            "confirmationState": "None",
            "name": "OrderFlowers",
            "slots": {
                "FlowerType": {
                    "value": {
                        "interpretedValue": "dozen roses",
                        "originalValue": "dozen roses",
                        "resolvedValues": []
                    }
                },
                "PickupDate": {
                    "value": {
                        "interpretedValue": "2021-01-04",
                        "originalValue": "next monday",
                        "resolvedValues": [
                            "2021-01-04"
                        ]
                    }
                },
                "PickupTime": {
                    "value": {
                        "interpretedValue": "17:00",
                        "originalValue": "5 evening",
                        "resolvedValues": [
                            "17:00"
                        ]
                    }
                }
            },
            "state": "InProgress"
        },
        "originatingRequestId": "9e8add70-4106-4a10-93f5-2ce2cb959e5f"
    }
}

第 5

在最後一回合中，使用者會回應確認提示。

{
    "text": "yes"
}

在回應中，Amazon Lex V2 傳送表示已透過將設定confirmationState為Confirmed和關閉dialogAction來達成意圖。所有插槽值都可供用戶端應用程式使用。


{
    "interpretations": [
        {
            "intent": {
                "confirmationState": "Confirmed",
                "name": "OrderFlowers",
                "slots": {
                    "FlowerType": {
                        "value": {
                            "interpretedValue": "dozen roses",
                            "originalValue": "dozen roses",
                            "resolvedValues": []
                        }
                    },
                    "PickupDate": {
                        "value": {
                            "interpretedValue": "2021-01-04",
                            "originalValue": "next monday",
                            "resolvedValues": [
                                "2021-01-04"
                            ]
                        }
                    },
                    "PickupTime": {
                        "value": {
                            "interpretedValue": "17:00",
                            "originalValue": "5 evening",
                            "resolvedValues": [
                                "17:00"
                            ]
                        }
                    }
                },
                "state": "Fulfilled"
            },
            "nluConfidence": {
                "score": 1.0
            }
        },
        {
            "intent": {
                "name": "FallbackIntent",
                "slots": {}
            }
        }
    ],
    "messages": [
        {
            "content": "Thanks. ",
            "contentType": "PlainText"
        }
    ],
    "sessionId": "bf445a49-7165-4fcd-9a9c-a782493fba5c",
    "sessionState": {
        "dialogAction": {
            "type": "Close"
        },
        "intent": {
            "confirmationState": "Confirmed",
            "name": "OrderFlowers",
            "slots": {
                "FlowerType": {
                    "value": {
                        "interpretedValue": "dozen roses",
                        "originalValue": "dozen roses",
                        "resolvedValues": []
                    }
                },
                "PickupDate": {
                    "value": {
                        "interpretedValue": "2021-01-04",
                        "originalValue": "next monday",
                        "resolvedValues": [
                            "2021-01-04"
                        ]
                    }
                },
                "PickupTime": {
                    "value": {
                        "interpretedValue": "17:00",
                        "originalValue": "5 evening",
                        "resolvedValues": [
                            "17:00"
                        ]
                    }
                }
            },
            "state": "Fulfilled"
        },
        "originatingRequestId": "9e8add70-4106-4a10-93f5-2ce2cb959e5f"
    }
}