answer: #Person2# arranges a birthday party for her boyfriend through #Person1#.
documents: #Person1#: Room service. Can I help you?
  #Person2#: Yes, tomorrow is my friend's birthday. Could I arrange a birthday party for him through you?
  #Person1#: Certainly.
  #Person2#: I want to order a large birthday cake, several kinds of cold dishes, pastries and fruits.
  #Person1#: Any drinks?
  #Person2#: I've got whiskey and brandy but I need some beer and soda. That's all.