*I walk up to my seat in the train, and find that someone’s sitting in it*
Me: Excuse me, you’re sitting in my seat?
Ass-hat: -Your- seat?
Me: Well, I paid for it, I can show you the-
Ass-hat: I don’t see your name on it?
Me: My name’s on the reservation ticket though, along with the spot number. Where’s the seat you paid for?
Ass-hat: I didn’t pay for mine.*flashes a mocking smile*
Me: I’m terribly sorry, but the train’s crowded and I have tonnes of lug-
Ass-hat: Well I guess you’ll just have to reserve a new seat, won’t you?