answer: #Person2# wants a hat for winter and #Person1# recommends one to #Person2#. #Person2# thinks it is expensive and asks for a discount. #Person2# agrees on a 10 percent discount and buys it.
documents: #Person1#: Hi, are you being helped?
  #Person2#: No, I'm not. I'm interested in some hats.
  #Person1#: All our hats are in this section. What do you think of this one here? It's made of cotton.
  #Person2#: Hmm,it looks nice and is suitable for autumn, but I'd like to have something warm for winter.
  #Person1#: Maybe you would like a heavy wool hat. How about this one?
  #Person2#: I think that's what I want. How much is it?
  #Person1#: It's seventy dollars plus tax.
  #Person2#: It's a little expensive. Do you think it's possible to get a discount?
  #Person1#: Hmm, since you like it so much, how about a 10 percent discount. That's the best I can offer.
  #Person2#: That's good. Could you wrap it up for me?
  #Person1#: Sure. Is there anything else I can get for you?
  #Person2#: I also want to have a red wool sweater. But there are only black and green ones.