answer: #Person2# asks #Person1# about the trains to Beijing on July 7. #Person2#'d like to take a non-stop train arriving before 12 o'clock.
documents: #Person1#: May I help you, sir?
  #Person2#: Yes, I'd like some information about the trains to Beijing.
  #Person1#: When do you want to go?
  #Person2#: On July 7, I have to be there well before twelve o'clock.
  #Person1#: There's a train at 7 a. m. It'll get you there at 11 a. m. But there are many stops along the way.
  #Person2#: And I have to get up early, too. Are there any non-stop trains to Beijing?
  #Person1#: Yes, there is one at 8: 30 a. m. That arrives at 11:35 a. m.