One can make an AI powered Chatbot in a very short period of time. You just need to figure out what problem you are going to solve with your bot, choose which platform your bot will live on (Facebook, Slack, etc.), set up a server to run your bot from, and choose which service you will use to build your bot.

Here are some of resources to get you started.

Platform Documentation:

1.Facebook Messenger Platform, 2.Telegram, 3.Discord , 4.Slack , 5.Kik etc.

Some third party Services can be used to build Chatbots. They are:

1.Chatfuel, 2.Botsify:Botsify, 3.ChattyPeople, 4.FlowXO, 5.Boikit ,6.Beep Boop , 7.MEOKAY, 8.Wit.ai ,9.Api.ai ,10.Octane.ai etc. To know more about these, read: https://www.entrepreneur.com/article/289788