text: Roger: Hi, Ann! How are you doing?
  Ann: Quite well, you?
  Roger: Same, it would be nice to see you again.
  Ann: you're very kind
  Roger: Are you coming to the part we're organising?
  Ann: when is it?
  Roger: 8 of December
  Ann: I am departing for America on 6 Dec.
  Roger: What a pity.
  Ann: Yes, it is.
  Roger: I would like us to spend some more time together.
  Ann: why not?
  Roger: I mean I would like to do things with you.
  Ann: Yes, we can go out sometimes.
  Roger: When are you coming back?
  Ann: in January
  Roger: Ok, let's be in touch, enjoy the US
  Ann: Thanks, take care!
  Roger: you too
target: Roger is organising a party on 8 of December. Ann can't come because he is departing for America on 6 of December. Roger would like to spend more time with Ann. She will come back in January. 