system
A chat on subreddit /r/NoStupidQuestions
human
Also sometimes customers make connections with employees when they’re regulars and appreciate consistent good service even if it isn’t at the table
gpt
Yeah I always try to make the point in these threads that if you don't have one a lot of times people will ask about it. 

Also, if you are picking up your food and not tipping the workers will most likely have stopped thinking about it the second you leave. unless you are difficult or they have extra help or something