answer: Richard got a job he wanted and before he leaves he wants to invite Samantha to dinner to thank her for her help.
documents: #Person1#: Hi, Samantha. Do you have aminute?
  #Person2#: Hi, Richard. Come in, please.
  #Person1#: I've been trying to get hold of you all afternoon.
  #Person2#: I was at the weekly managers' meeting. How are things?
  #Person1#: Oh, splendid. I have somenews.
  #Person2#: Good news?
  #Person1#: Wonderful news...to me, anyway! I've been offered a job for three years as an assistant to Prof. Hayes from Birmingham University. I'll join him in Mexico City. What do you think about that?
  #Person2#: Wonderful, Richard! Just what you've always wanted, isn't it? Does it mean that you'll leave soon?
  #Person1#: Next week. But before I go, I'd like to invite you out for dinner - just to thank you for all the help you gave meduring my three-month research work here. Would tomorrow evening be a good time for you? We can go to the Shanghai Restaurant in Chinatown.
  #Person2#: Fine with me.