answer: Sue enjoys the trip in Edinburgh and thanks Peter for his help. Sue invites Peter and Gene to go to London together.
documents: #Person1#: Well, I certainly have enjoyed my stay in Edinburgh, Peter. Thanks for all your help and thanks to Gene as well for showing me around.
  #Person2#: Well, we both enjoyed it, too. How long will you stay in York before you go back?
  #Person1#: 2 days. Look, when are you going to be in London again? You must bring Gene with you and we can all get together again.
  #Person2#: Yes, I'll do that. That's your train, isn't it?
  #Person1#: Yes, I'd better go. OK, thanks again, bye.
  #Person2#: Bye, Sue. Don't forget to give my regards to John.
  #Person1#: I won't, bye.