answer: #Person1# is going on a business trip to Guangzhou next Monday morning and #Person2# informs #Person1# of some changes that their company has just made in the business trip policy.
documents: #Person1#: I am going on a business trip to Guangzhou next Monday morning.
  #Person2#: To visit our supplier?
  #Person1#: Yes, as the New Year is coming, they're organizing a party for all their customers.
  #Person2#: Well, I guess you will meet many people in this field. So don't forget to pack enough business cards in your suitcase.
  #Person1#: Sure.
  #Person2#: By the way, do you know that our company just made some changes in the business trip policy?
  #Person1#: No, no one has informed me of that so far, tell me.
  #Person2#: Ok, there is no cash advance anymore for short trips. You have to pay out of your own pocket, so save all the receipts from your business trip. And then attach them to your expense account. When you get back, our company will reimburse everything.
  #Person1#: I see. What about the maximum purdy and rate, any change?
  #Person2#: I am not sure. You can check with the finance department.
  #Person1#: I will call them this afternoon, thanks.
  #Person2#: You're welcome. Have a nice trip.