app.js

/*-----------------------------------------------------------------------------
A simple echo bot for the Microsoft Bot Framework. 
-----------------------------------------------------------------------------*/

var restify = require('restify');
var builder = require('botbuilder');

// Setup Restify Server
var server = restify.createServer();
server.listen(process.env.port || process.env.PORT || 3978, function () {
   console.log('%s listening to %s', server.name, server.url); 
});
  
// Create chat connector for communicating with the Bot Framework Service
var connector = new builder.ChatConnector({
    appId: process.env.MicrosoftAppId,
    appPassword: process.env.MicrosoftAppPassword,
    stateEndpoint: process.env.BotStateEndpoint,
    openIdMetadata: process.env.BotOpenIdMetadata 
});

// Listen for messages from users 
server.post('/api/messages', connector.listen());

/*----------------------------------------------------------------------------------------
* Bot Storage: This is a great spot to register the private state storage for your bot. 
* We provide adapters for Azure Table, CosmosDb, SQL Azure, or you can implement your own!
* For samples and documentation, see: https://github.com/Microsoft/BotBuilder-Azure
* ---------------------------------------------------------------------------------------- */

// Create your bot with a function to receive messages from the user
//var bot = new builder.UniversalBot(connector);
var bot = new builder.UniversalBot(connector, function (session) {
    session.send('Sorry, I did not understand \'%s\'. Type \'help\' if you need assistance.', session.message.text);
});
// Make sure you add code to validate these fields
var luisAppId = process.env.LuisAppId;
var luisAPIKey = process.env.LuisAPIKey;
var luisAPIHostName = process.env.LuisAPIHostName || 'westus.api.cognitive.microsoft.com';

const LuisModelUrl = 'https://' + luisAPIHostName + '/luis/v1/application?id=' + luisAppId + '&subscription-key=' + luisAPIKey;
const LuisModelUrl = 'https://westus.api.cognitive.microsoft.com/luis/v2.0/apps/f2b7a0f7-29be-4f63-8982-dd248d2385ef?subscription-key=35fa249ef1794ee1970ae2b849323717&timezoneOffset=0&verbose=true';
// Main dialog with LUIS
var recognizer = new builder.LuisRecognizer(LuisModelUrl);
var intents = new builder.IntentDialog({ recognizers: [recognizer] })

/*.matches('<yourIntent>')... See details at http://docs.botframework.com/builder/node/guides/understanding-natural-language/*/
.onDefault((session) => {
    session.send('Sorry, I did not understand \'%s\'.', session.message.text);
});
bot.recognizer(recognizer);
bot.dialog('Greeting', function (session, args, next) {
	session.send('welcome to the hotel finder ');

	var greetWord = builder.EntityRecognizer.findEntity(args.intent.entities, 'greet');
	session.send('greeting entity  %s:', greetWord.entity);
}).triggerAction({
	matches: 'Greeting'
});
bot.dialog('Help', function (session) {
    session.endDialog('Hi! Try asking me things like \'search hotels in Seattle\', \'search hotels near LAX airport\' or \'show me the reviews of The Bot Resort\'');
}).triggerAction({
    matches: 'Help'
});