answer: #Person2# remembers Eric Chang's name under the help of #Person1#. #Person1# will call and tell Eric #Person2# is here.
documents: #Person1#: Can I help you?
  #Person2#: I'm looking for someone who works here, but I lost his business card. His name's Long or Sang or something like that.
  #Person1#: Chang?
  #Person2#: Yeah, that sounds right.
  #Person1#: There are about twenty people named Chang who work here. What department?
  #Person2#: Let me think... accounting, finance, something like that.
  #Person1#: Eric Chang in accounting?
  #Person2#: That's him!
  #Person1#: I'll call him and tell him you're here.
  #Person2#: I appreciate your help.
  #Person1#: Would you like to have a seat over there? It'll just be a minute. And can I have your name?
  #Person2#: Here's my card.
  #Person1#: OK. I'll have him come up to get you.