answer: #Person2# wants to do a haircut and tells #Person1# about the requirements. #Person2# pays 4 dollars to #Person1#.
documents: #Person1#: Who is the next?
  #Person2#: I am.
  #Person1#: All right. Over here, sir. How are you today?
  #Person2#: Fine, thanks.
  #Person1#: How do you want you hair cut?
  #Person2#: Don't make it too short. I just want a trim.
  #Person1#: Yes, sir. I will use the scissors. Do you always part your hair on the left?
  #Person2#: Yes, I do. That looks good. It's not too short. It's just right. How much do I owe you?
  #Person1#: That will be 3. 50 dollars.
  #Person2#: Here is 4 dollars, keep the change.
  #Person1#: Thank you very much. Come back to see us.