dialogue: #Person1#: Where is the shelf of best-sellers?
  #Person2#: Books in the first aisle are all best sellers.
  #Person1#: Could you give me some advice on books for killing time on the train?
  #Person2#: Well, do you like novels?
  #Person1#: Yes, very much. Which one is the latest?
  #Person2#: Here is one written by famous Japanese novelist. You can have a look.
  #Person1#: Thank you for your help.
  #Person2#: My pleasure.
summary: #Person1# wants some books to kill time and #Person2# suggests a novel.
topic: buy books