Do any one of you guys know anything about machine learning?

Answer 1

It is a bit complex to describe it here. Check out chatterbot module for Python. It has a good description and a basic language corpus in English to start from:
https://pypi.python.org/pypi/ChatterBot

Answer 2

First you have to define the problem more specifically. What would it have to do? Respond to chat posts?

Answer 3

Depends, what you want to know exactly?

Answer 4

how would you implement it into your app or chatbot

Answer 5

yes or so that it can remember what the user said