dialogue: #Person1#: I want to mail this package to Korea.
  #Person2#: How would you like to send it?
  #Person1#: First class, please.
  #Person2#: It will cost you 20 pounds because your package is too heavy. It will take 2 days to get there.
  #Person1#: 20 pounds? Is there a cheaper way?
  #Person2#: Yes, there is. It's the package post way, but it will take you 10 days longer than the first class to get there.
  #Person1#: OK, I think I'd like this way.
summary: #Person2# offers #Person1# two ways to send the package and #Person1# chooses the cheaper one.
topic: sending a package