answer: #Person1# needs to send some important documents. #Person2# assures #Person1# that the documents will arrive in two or three days and guarantees the safety, so #Person1# sends them now with #Person2#'s assistance.
documents: #Person1#: Excuse me, is this the right counter for express mail?
  #Person2#: Yes, it is. What can I do for you?
  #Person1#: I want to send some important documents to Canada for my postgraduate admission.
  #Person2#: Are they urgent, please?
  #Person1#: Yes, the deadline for applying is 1st Feb, so I hope they will arrive in 3 days.
  #Person2#: Well, DHL is famous for its speed and reliability. It is the fastest international postal service available. The document will arrive in two or three days.
  #Person1#: Really? But can you guarantee the safety?
  #Person2#: Yes, I promise. Your document won't be broken or lost. All the items are handled by special staff and carried by a courier. It is reliable.
  #Person1#: OK. I will send them now.
  #Person2#: Please write the address and remittee on the express order and make sure there is no mistake on them.
  #Person1#: All right. Here you are.
  #Person2#: This is your receipt which you have to keep until the remittee receives the express. You can also check your post on our web. The post number is on the top of the receipt.
  #Person1#: Thank you. I have got quite clear idea of it.