answer: #Person2# tells #Person1# that Jack'll be in trouble because #Person2# thinks he forgets Valentine's Day. But then Jack calls #Person2# and invites her to dinner.
documents: #Person1#: what date is it today?
  #Person2#: why?
  #Person1#: look at the girls in the street. They all have bunch of flowers. Is it Valentine's Day?
  #Person2#: Oh, yes! I completely forgot about it.
  #Person1#: did you have a fight with Jack?
  #Person2#: no, but now he'll be in trouble. What's a boyfriend for? To forget about Valentine's Day?
  #Person1#: come on, dear! You forgot it, too.
  #Person2#: you know, it's OK for a girl to forget these ' big days ', but for a guy, to do that is unforgivable.
  #Person1#: is that your phone?
  #Person2#: oh, it's Jack. Excuse me.
  #Person1#: wow! good timing.
  #Person2#: he asked me out to a dinner tonight. How about joining us?
  #Person1#: come on! three's a crowd!
  #Person2#: so what?
  #Person1#: just go! it's Valentine's Day!