text: Colin: Rick, we still looking for an additional person for the trip
  Colin: you're sure you don't want to come?
  Rick: I would like to
  Rick: but unfortunately I can't
  Colin: that's a shame
  Colin: I know you were looking forward to it last year
  Rick: yeah but life happened and I need to stay at home this year
  Rick: maybe next time
  Colin: okay
target: Rick can't go on the trip that is organised by Colin.