text: Dominic: can you come later?
  Brian: ok 
  Brian: why? 
  Dominic: I have to stay longer at work
  Brian: you don't have to 
  Dominic: you know I need this job 
  Brian: you need a job, but not necessarily this one 
target: Dominic and Brian are going to meet later than planned because Dominic has to do overtime at work.