dialogue: #Person1#: Excuse me, Miss.
  #Person2#: What can I do for you?
  #Person1#: I've just heard an announcement that my flight has been delayed.
  #Person2#: What's your flight number?
  #Person1#: Flight CA216 to Chengdu.
  #Person2#: Yes, it's true. It has been delayed.
  #Person1#: Could you please tell me why?
  #Person2#: Yes, of course. The delay is due to heavy rain.
  #Person1#: How long will the delay be? Do you have any further information about it?
  #Person2#: I am sorry, we don't know the extent of the delay at present. But according to the latest weather forecast, there will be a change in weather soon.
  #Person1#: We have to wait. Well, is it possible for the rain to stop before noon?
  #Person2#: It's hard to say. Weather is so changeable in the summer. Please listen to the latest announcement about your flight.
  #Person1#: Yes, I will. Thanks a lot. Bye!
  #Person2#: Bye
summary: #Person1#'s flight has been delayed because of heavy rain and #Person2# suggests #Person1# listen to the announcement for further information.
topic: flight delay