system
A chat on subreddit /r/wallstreetbets
human
I’ve got you beat. I transferred my checquing account balance into my credit card by mistake and now they won’t give it back unless I do a cash advance.
gpt
Banker here. Escalate, get a ticket number. 

Or chat with CFPB… they would like to hear how a credit card company is forcing their customer to incur a charge based on an honest mistake