answer: Karen calls Justin to invite him to see Otis Lesley on Thursday night but Justin will work late. However, Justin could make it on Saturday night and they arrange their meeting.
documents: #Person1#: Hello. Could I speak to Justin, please?
  #Person2#: Speaking.
  #Person1#: Oh, hi Justin. This is Karen Hepburn. We met at Chris and Jim's party.
  #Person2#: Of course. How're you?
  #Person1#: Great. Uh, Justin, would you like to see Otis Lesley on Thursday night? He's at the Kangaroo Club.
  #Person2#: I'm sorry, Karen, but I can't. I have to work late this Thursday.
  #Person1#: Oh. . . that's too bad.
  #Person2#: Yeah. I really like Lesley.
  #Person1#: Actually, are you doing anything on Friday or Saturday? He's playing those two nights as well.
  #Person2#: Well, I can't make it on Friday either, but I'm free on Saturday night. What time does it start?
  #Person1#: At eight sharp. How about meeting in front of the club at about a quarter after seven?
  #Person2#: That sounds perfect. And let's go out for coffee after the show.
  #Person1#: Sure!
  #Person2#: See you at seven fifteen, Saturday.