index.js

function handleFirstIntent(intent, session, callback){
  sessionAttributes = {
    questionsAsked: 0,
    questionsWanted: 0,
    questionBank: [],
  }
  sessionAttributes.questionsWanted = intent.slots.NumToAsk.value;
  var cardTitle = "Welcome";
  var speechOutput = "Asking "+sessionAttributes.questionsWanted+" questions.";
  // If the user either does not reply to the welcome message or says something that is not
  // understood, they will be prompted again with this text.
  var repromptText = null;
  var shouldEndSession = false;

  callback(sessionAttributes,
           buildSpeechletResponse(cardTitle, speechOutput, repromptText, shouldEndSession));
}

function handleSecondIntent(intent, session, callback){
  var sessionAttributes = session.attributes;
  var cardTitle = "Welcome";
  var speechOutput = "Answering "+sessionAttributes.questionsWanted+" questions.";
  // If the user either does not reply to the welcome message or says something that is not
  // understood, they will be prompted again with this text.
  var repromptText = null;
  var shouldEndSession = false;

  callback(sessionAttributes,
           buildSpeechletResponse(cardTitle, speechOutput, repromptText, shouldEndSession));
}


function buildSpeechletResponse(title, output, repromptText, shouldEndSession) {
    return {
        outputSpeech: {
            type: "PlainText",
            text: output
        },
        card: {
            type: "Simple",
            title: "SessionSpeechlet - " + title,
            content: "SessionSpeechlet - " + output
        },
        reprompt: {
            outputSpeech: {
                type: "PlainText",
                text: repromptText
            }
        },
        shouldEndSession: shouldEndSession
    }
}

function buildResponse(sessionAttributes, speechletResponse) {
    return {
        version: "1.0",
        sessionAttributes: sessionAttributes,
        response: speechletResponse
    }
}