system
guilty: I was at the grocery store yesterday and did something I am not proud of.  The cashier gave me too much money back and when I realized it I didn't say anything and kept it.
gpt
I was at the grocery store yesterday and did something I am not proud of. The cashier gave me too much money back and when I realized it I didn't say anything and kept it.
human
Did you need the money for something specific? 
gpt
No, I think I was just being greedy.  I should not have done it.
human
Were you able to sleep last night?