text: Brad: Hey, do you remember me?
  Claudia: No, not quite
  Claudia: Should I?
  Brad: We've met during the conference last month.
  Brad: You should remember me.
  Claudia: Wait a second...
  Claudia: Oh yes, Brad from morning session.
  Claudia: There must be a reason why you write.
  Brad: Indeed, I enjoyed your presentation, but I forgot to ask you about sources you had used.
  Claudia: Thank you for kind words. Here:
  Claudia: <file_other>
  Brad: Thank you so much. That means a lot.
  Claudia: I'm glad I could help :)
  Brad: Goodbye :)
target: Brad and Claudia met at the conference. Brad liked Claudia's presentation and wants to know the sources she used. 