system
angry: I was at the grocery store today using self checkout. A man was checking out beside me and he took my receipt!
human
I just got back from buying a few groceries at the store. 
gpt
Oh really? What'd ya get?
human
Just stuff for dinner. At the checkout, a guy took my receipt!
gpt
Why did he do that?
human
I am not sure. He was on his phone though.