text: Greg: Hi mom
  Greg: I can't come to dinner today
  Mom: Hey my sweetheart
  Mom: Why can't you come?
  Mom: Something's happened?
  Greg: No, mum, everything's fine
  Greg: I just have to go to the library with Mary
  Greg: She asked me and I agreed
  Mom: Oh, I see. I'll leave the dinner in the oven for you then.
  Greg: Thank you mum, love you
  Mom: Love you too
target: Greg won't be home for dinner as he's going to the library with Mary, Mom will leave him some dinner in the oven.