answer: #Person1# is assisting #Person2# in finding a porter.
documents: #Person1#: Can I help you?
  #Person2#: En, I am looking for a porter, do you know where I can find one?
  #Person1#: There are so many here.The men with red hats are the porters.
  #Person2#: What's the charge?
  #Person1#: Well, it depends how many pieces of luggages you have.
  #Person2#: Thank you.