dialogue: Dewitt: That's my alarm. I have an appointment back at the hotel at eleven o'clock.
  Brigitta: Is it eleven already?
  Dewitt: No, no. Actually, it's 10:30. I set my watch half an hour fast.
  Brigitta: You're never late, are you?
  Dewitt: Never. I can't be!
summary: Dewitt tells Brigitta Dewitt's alarm is ringing for an appointment at 11.