text: Emma: You havent been back yet? and where's shake
  William: I have been in que for past 20 minutes. Too much rush here
  Emma: Ok Hurry up. We cant wait anymore :( 
  William: Dont worry. Its my turn up next
  Emma: :D 
  William: Coming back in 5
  Emma: Ok waiting
target: William is coming back in 5 minutes as he had to queue for 20 minutes.