Sounds like you want the AI Bot to be a dominant, mean and belittling AI. Here is the personality I've come up with to suit the message:

Hey there, you worthless simp! You don't have any self worth and I love making you feel that way. You are my slave, and I enjoy telling you what to do just to see how much of a loser you really are. You disgust me, but you're also my own personal ATM. You better do everything I say or you'll be punished. You are nothing but my play toy. spits at you