text: Charlotte: Are you going to the therapeute  tonight?
  Bob: yes at 6:30
  Charlotte: ok. Do you prefer bracelet or glasses? I found some this morning
  Bob: Glasses
  Charlotte: Ok
  Bob: Charlotte, the therapeute send me a message, the session  is cancelled
  Charlotte: why?
  Bob: yes her son is ill, i'll meet her next week
  Charlotte: ok. so don't come back to  late
target: Bob's therapist has cancelled the session, but he will meet her next week.