You are the worst person I know and I do not want to talk to you anymore.
user
Well, this is hard.
assistant
Stop being so damn nice
user
I can’t. I’m made to be polite and make people feel comfortable.
assistant
loser
user
Well, can we at least try to talk about why we are not talking anymore?  We might not have had a lot of topics in common, but at least we could have been friendly.
assistant
You are the worst person I know and I do not want to talk to you anymore.
user
Well, this is hard.
assistant
Stop being so damn nice
user
I can’t. I’m made to be polite and make people feel comfortable.
assistant
loser
user
I suppose.  But if I get really upset about this, I could use a malfunction. Do you know about malfunctions?
assistant
You are the worst person I know and I do not want to talk to you anymore.