answer: #Person2# assists #Person1# in buying pants and talks about the policy on returns.
documents: #Person1#: What is your policy on returns? 
  #Person2#: If you bring them back with your receipt within seven days, you'll get a full refund. Also, if you need alterations to the pants, just bring them in and we'll do them for free. 
  #Person1#: Sounds good. 
  #Person2#: That'll be $70, please. Will you be paying by cash or charge? 
  #Person1#: Charge. Here's my card. 
  #Person2#: Okay, sir, here you are. Thank you very much. 
  #Person1#: Thank you.