answer: #Person1# wants to invite Charlie to go to a movie but Charlie is going to his parents' house to celebrate his father's 50th birthday. They will see a movie another time.
documents: #Person1#: Hi, charlie, are you busy this evening?
  #Person2#: Sorry, I'm afraid that I've got plans tonight.
  #Person1#: What are you doing?
  #Person2#: I'm going to my parents'house for my father's birthday.
  #Person1#: How old is he today?
  #Person2#: It's his 50th birthday.
  #Person1#: Well, wish him a happy birthday for me.
  #Person2#: Sure thing. What are your plans for the evening?
  #Person1#: I was just thinking of going to a movie tonight.
  #Person2#: Well, if you can wait until tomorrow night, I'll go with you then.
  #Person1#: Sorry, I've got people coming over tomorrow night.
  #Person2#: Sounds like this weekend just isn't going to work out for us.
  #Person1#: Sounds that way. Maybe some other time then?
  #Person2#: Sure. Hey, I'm sorry, but I've got to get going.
  #Person1#: Yeah, me, too. It's about time I made a move.
  #Person2#: Say hello to your friends for me.
  #Person1#: Likewise. See you later.
  #Person2#: Bye!