Before writing code, review the bot design guidelines for best practices and identify the needs for your bot: will a basic bot be enough or whether it should have more sophisticated capabilities, such as speech, language understanding, QnA, or the ability to extract knowledge from different sources and provide intelligent answers. This is also the phase where you might want to create mockup of conversations between the user and the bot for the specific scenarios your bot will support. Chatdown is the tool built for this purpose. You can author .chat files that mockup the conversations and then use chatdown CLI to convert them into rich transcripts. As you build your bot, you may also need to integrate AI services like LUIS.ai for language understanding, QnAMaker.ai for your bot to respond to simple questions in a Q&A format, and more. You can bootstrap language understanding for your bot using LUDown.