answer: #Person1# from the delivery company helps #Person2# track an unreceived package and apologises to #Person2# for delaying.
documents: #Person1#: Hello, Cheetah Express Delivery Service. How may I help you?
  #Person2#: Hello, I'm waiting for a package sent from your office in Chicago. The package number is XYZ9876.
  #Person1#: I see. My computer says we sent it on December thirteenth and it was in Des Moines on the fourteenth. You should have received it in Saint Paul the day after that.
  #Person2#: That was yesterday. Any idea what happened?
  #Person1#: I can find out for you. In any event, it should be there within the next couple of days. Please accept our apologies, sir.