#Person1#: That's my alarm. I have an appointment back at the hotel at eleven o'clock.
#Person2#: Is it eleven already?
#Person1#: No, no. Actually, it's 10:30. I set my watch half an hour fast.
#Person2#: You're never late, are you?
#Person1#: Never. I can't be!
#Person1# tells #Person2# #Person1#'s alarm is ringing for an appointment at 11.
ringing alarm