This would never work. All you'd have to do is file a chargeback and it would end up costing them even more money, and if that happens enough their payment processor would dump them.
Things like this are why I usually use cash at a hotel.
They still need something corroborating even if he "confesses". People say they did things they didn't do all the time. He could just be an attention whore. Likely he is.
Also I wouldn't be surprised if his claim that he's going to see it in theaters is BS. Most of the time people do not pay...