answer: #Person2# guides #Person1# to weigh her suitcase and tells her to go to the departure lounge for BA flight 123 to London.
documents: #Person1#: I ' m taking BA fright 123 to London. Can you tell me where the reporting desk is, please?
  #Person2#: Yes, Madam. The reporting desk for the British Airway's flight to London is over there.
  #Person1#: Thank you so much. Is this the desk for BA flight 123 to London?
  #Person2#: Yes, this is the right desk. Have you any luggage?
  #Person1#: The suitcase, that ' s all. Except my handbag. Of course.
  #Person2#: Would you please put you suitcase on the scales? You needn ' t weigh your handbag.
  #Person1#: Is there a receipt?
  #Person2#: Yes. I ' ll attach your baggage receipt to your ticket.
  #Person1#: What must I do next?
  #Person2#: You must go to immigration to the departure lounge.