answer: #Person1# asks #Person2# some personal information and the purpose for visiting. #Person1# requests #Person2# to fill out the arrival card, and finally, let #Person2# enter the US.
documents: #Person1#: Good afternoon, passport and arrival card please.
  #Person2#: Here you are.
  #Person1#: Where are you coming from?
  #Person2#: China.
  #Person1#: Is this your country of birth or residence.
  #Person2#: I just work there.
  #Person1#: What is the purpose of your visit to the United States?
  #Person2#: I'm here on vacation.
  #Person1#: How long do you plan to stay in the United States?
  #Person2#: Almost three weeks.
  #Person1#: Sir, you didn't fill out the information on your arrival card of where you will be staying.
  #Person2#: Oh, I'm sorry, but there are a couple of different places I will travel to within the United States, so I wasn't sure what to put.
  #Person1#: You must specify an address of the place where you will spend most of your time.
  #Person2#: Ok, here you are.
  #Person1#: Do you have enough means to support yourself while you are here?
  #Person2#: Yes. I have some travellers cheques and two credit cards.
  #Person1#: Very good. Do you have anything to declare?
  #Person2#: Nope. I only have my clothes and camera!
  #Person1#: Very well sir, welcome to the United States, enjoy your visit.