answer: #Person2# wants to take a bus tour and is served by #Person1#.
documents: #Person1#: What can I do for you, Miss?
  #Person2#: Have you a bus tour? I have one day left so I think the best way is to take a bus tour.
  #Person1#: That's right. The bus tour is really efficient and cheap.
  #Person2#: What time does the next bus leave?
  #Person1#: 9 : OO. Don't worry, Miss, we have buses every 15 minutes.