answer: #Person2# phones the Customer Service because #Person2#'s vacuum's broken. #Person1# answers the phone, asks for more details, and tells #Person1# the location of the nearest Customer Service Office.
documents: #Person1#: Hi. This is the Customer Service. How can I help you?
  #Person2#: Hi. I bought one of your vacuums from spend-wart. It's broken now.
  #Person1#: Is it under warranty?
  #Person2#: I think so. I bought it four months ago.
  #Person1#: Yes, it is still covered by our warranty. Tell me the mode number of your vacuum, please.
  #Person2#: Okay. The model number is 6594 - c.
  #Person1#: What's your address, your name and your phone number?
  #Person2#: 906 Ottawa street. My name is David Yang. My phone number is 713-786-0234.
  #Person1#: Okay. There are two Customer Service Offices in your area. The nearest one is Chadwick and Hacks Appliances.
  #Person2#: Could you tell me where the office is located?
  #Person1#: Sure. 878 Fennel South.
  #Person2#: Oh, I know that place. It's only two minutes drive.
  #Person1#: You have to call the office first.
  #Person2#: All right. Thank you very much for your help.
  #Person1#: My pleasure.