answer: #Person1# says goodbye to #Person2# since #Person1# is leaving for Tokyo.
documents: #Person1#: I just dropped in to say good-bye.
  #Person2#: What time are you leaving?
  #Person1#: I'm going to try to leave by ten.
  #Person2#: Take care and give my best to your parents.
  #Person1#: Good-bye. Hope to see you soon again next year.
  #Person2#: Don't forget to call us if you're in Tokyo.