answer: #Person1# recommends a moisturizer to #Person2# based on #Person2#'s skin type and #Person2# buys it.
documents: #Person1#: Welcome. How can I help you?
  #Person2#: We want to look at some of your products.
  #Person1#: This way please. We have a full range of products from cosmetics to skin cleansers.
  #Person2#: Could you commend me some moisturizers?
  #Person1#: Your T-zone gets oily easily, but your cheeks are dry in winter. Am I right?
  #Person2#: Yes, that's right.
  #Person1#: This ' Cream of Olives ' is our bestseller for combination skin. You can try it on your hand.
  #Person2#: Oh, very good. I will buy this one.
  #Person1#: All right. Anything else?
  #Person2#: No. Thank you.
  #Person1#: My pleasure.