text: Emily: Are you coming to my party on Saturday?
  Alex: Of course :-)
  Emily: What did you get me for my birthday?
  Alex: If I told you it wouldn't be a surprise would it?
  Emily: Guess not... but I'm really curious.
  Emily: I could do with some new books to read (hint, hint)
  Alex: I'll keep that in mind ;-)
target: Alex confirmed his presence to Emily's birthday party on Saturday. She suggested to him to offer her some new books as a present.