chat_history: ['just got back from grocery shopping, The cashier gave me back $10 more change than I supposed to get', 'Did you give it back or just walk away?', "i did not find out untill i got home, the store is kind of far and I think I'm going to keep it, but it's eating on my conscious because of that"]
sys_response: Yeah, that is a hard one to deal with.  Maybe you should give it back so you will not feel bad about yourself.
situation: just got back from grocery shopping, The cashier gave me back $10 more change than I supposed to get