bot.js

return botBuilder(function (req, ctx) {
  var date = chrono.parse(req.text)
  var yearMonthDay = parseTheDate(date[0].start.date()) # make a YYYY-MM-DD string
  var message = new SlackTemplate()
    .channelMessage(true)
    .replaceOriginal(true)
  
  message.addConfirmation(
    'Just double checking!',
    "I'm going to look for awesome sauces for *" + date[0].text + '*, is that right?',
    'Aww hell yeah, sauce me up!',
    'Wait, what? Are you mad!?'
  )
  
  return request
    .get({uri: 'https://awesomesauce.io/api/recommendation/' + yearMonthDay, json: true})
    .then(function (sauce) {
      return message
       .addAttachment(sauce.name)
       .addText(sauce.recipe)
       .addImage(sauce.image)
       .get()
    })
    .catch(function (err) {
      return message.addText(err)
    })
})