answer: #Person1#'s going to the US to attend #Person1#'s daughter's commencement. #Person1# takes the traveler's checks and explains to #Person2# how to use it.
documents: #Person1#: I'm going to the United Stated to attend my daughter's commencement.
  #Person2#: How nice! Are you going to convert some RMB to US dollars?
  #Person1#: Yes. But I will not take much cash with me I can ask the bank to give me the traveler's checks. So it will be safer.
  #Person2#: How can you cash them when you arrive in the United States?
  #Person1#: I will go to the bank, give them my check, show them one piece of my identifications, and the most important thing is that I should sign my name to endorse the check.
  #Person2#: It sounds quite simple. Next time when I travel abroad, I will apply for this kind of check too.