answer: #Person1#'s looking for a set of keys and asks for #Person2#'s help to find them.
documents: #Person1#: Excuse me, did you see a set of keys?
  #Person2#: What kind of keys?
  #Person1#: Five keys and a small foot ornament.
  #Person2#: What a shame! I didn't see them.
  #Person1#: Well, can you help me look for it? That's my first time here.
  #Person2#: Sure. It's my pleasure. I'd like to help you look for the missing keys.
  #Person1#: It's very kind of you.
  #Person2#: It's not a big deal.Hey, I found them.
  #Person1#: Oh, thank God! I don't know how to thank you, guys.
  #Person2#: You're welcome.