text: John: Hey Dan, I'm gonna be late today.
  Daniel: Hey man, ugh no, don't leave me with this presentation alone!
  John: I know, I'm doing my best, but I'm stuck in traffic!
  John: There was an accident on the 401, ambulances & all...
  Daniel: OK, I'll try 2 buy us some time.
  John: I should make it in 30mins.
target: John will be late for the presentation he has with Daniel. He should be there in 30 minutes.