answer: #Person2# helps #Person1# reserve a single room on the 4th.
documents: #Person1#: I would like to make a reservation for tomorrow.
  #Person2#: I'm sorry but we are fully booked.
  #Person1#: Well, how about 4th?
  #Person2#: That's fine, but we have only a single room, is that OK?
  #Person1#: Yes. Please help me reserve it.