Conversational Bots: A Developer's Guide to Building Intelligent Chatbots

1{
2  "displayName": "Greeting",
3  "trainingPhrases": [
4    "Hi",
5    "Hello",
6    "Good morning",
7    "Good afternoon"
8  ],
9  "message": {
10    "text": {
11      "text": [
12        "Hello! How can I help you today?"
13      ]
14    }
15  }
16}
17

1version: "3.0"
2
3stories:
4
5- story: greet and ask how can I help
6  steps:
7  - intent: greet
8  - action: utter_greet
9  - intent: ask_howcanhelp
10  - action: utter_howcanhelp
11

1def lambda_handler(event, context):
2    intent_name = event['sessionState']['intent']['name']
3
4    if intent_name == 'OrderPizza':
5        # Fulfill the order
6        response = {
7            'sessionState': {
8                'dialogAction': {
9                    'type': 'Close',
10                    'fulfillmentState': 'Fulfilled'
11                },
12                'intent': {
13                    'name': 'OrderPizza',
14                    'state': 'Fulfilled'
15                }
16            },
17            'messages': [{
18                'contentType': 'PlainText',
19                'content': 'Your pizza is on its way!'
20            }]
21        }
22        return response
23

1using Microsoft.Bot.Builder;
2using Microsoft.Bot.Builder.Dialogs;
3
4public class GreetingDialog : ComponentDialog
5{
6    public GreetingDialog(string dialogId) : base(dialogId)
7    {
8        AddDialog(new TextPrompt(nameof(TextPrompt)));
9        AddDialog(new WaterfallDialog(nameof(WaterfallDialog), new WaterfallStep[]
10        {
11            AskNameStepAsync,
12            GreetUserStepAsync,
13        }));
14
15        InitialDialogId = nameof(WaterfallDialog);
16    }
17
18    private async Task<DialogTurnResult> AskNameStepAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
19    {
20        return await stepContext.PromptAsync(nameof(TextPrompt), new PromptOptions { Prompt = MessageFactory.Text("What is your name?") }, cancellationToken);
21    }
22
23    private async Task<DialogTurnResult> GreetUserStepAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
24    {
25        var name = (string)stepContext.Result;
26        await stepContext.Context.SendActivityAsync(MessageFactory.Text($"Hello {name}! Nice to meet you."), cancellationToken);
27        return await stepContext.EndDialogAsync(null, cancellationToken);
28    }
29}
30