text: Mark: I'm so bored
  Mark: let's do something fun
  Louis: bowling?
  Nathan: that sound fun
  Mark: sure
  Louis: but i don't know if I will be available today
  Nathan: so tomorrow?
  Mark: 9PM?
  Louis: sounds good for me
  Nathan: ok so we have an arrangement
  Mark: yep
  Louis: cya there
  Nathan: cya
  Mark: adios!
target: Mark, Louis and Nathan will go bowling at 9 pm tomorrow.