text: Cara: hey
  Cara: are you at home
  Celine: hey Cara
  Celine: No i'm not
  Cara: okay then, i just wanted to pass by
  Celine: im sorry, i can drop by in the evening if you dont mind
  Cara: its fine, call me then if you decide to come
  Celine: ok
target: Celine is not at home, but she will call Cara before visiting her.