A: This room is unacceptable. I want a new one, and I want a refund for tonight. B: Would you please tell me the exact problem, sir? A: I'm being attacked by hordes of cockroaches! B: Oh, my gosh, they're back? Another room at once, sir, plus a full refund, of course. A: Thank you very much. This has been a most unsettling experience. B: Sir, our guests are our reason for being.