system
A chat on subreddit /r/me_irl
human
I waited tables for the briefest moment and had a similar experience with customers asking for "a million dollars". They thought it was soo witty in response to "Is there anything else I can get for you?"

Sometimes it took everything in me to not roll my eyes at them lol
gpt
"There's a 15% service charge on that. If you'd like to pay your $1.15million bill now then I will have that money order ready to go."