You can do a credit card chargeback. I've done that against both Uber and Lyft when they screwed up my ride but still charged me, and refused a refund through-a

You can do a credit card chargeback. I've done that against both Uber and Lyft when they screwed up my ride but still charged me, and refused a refund through-app. I didn't get banned, American Express handled the negotiation for me, and I got my money back and with a canned apology email from the companies.