text: Rachel: Hi Dad, what time is Pete and Sylve coming over?
  Dad: They said about 11, why?
  Rachel: well they were going to come and have a cuppa with me but I am thinking I may as well drive over to yours and save them a journey
  Dad: you could do darling
  Rachel: I dont have too much to do this afternoon and I do need to go shopping so I will come over to yours and see them and then go shopping on the way home
  Dad: sounds like a plan!
  Rachel: yes I will see you after 12 then xxx
  Dad: ok xxx
target: Pete and Sylve are coming to Dad's place at 11. Rachel decides to change her plans for meeting them and drive over to Dad to see them there after 12. Rachel will go shopping on  the way home.