system
trusting: My phone broke, so I attempted to buy a phone from a co-worker. I gave him the money and he promised to bring the phone the next day. He forgot it, but he did bring it the following day.
gpt
My phone broke, so a coworker offered to sell me an extra one he had for a decent price. 
human
Did you take the offer?
gpt
I did, but I started to get nervous when he forgot to bring it the next day. He did end up bringing it the following day though.
human
That was nice of him.