Charles: How are you doing guys?
Diana: we're in the car
Will: mom is driving
Charles: what time are you going to be here?
Will: mom says in about an hour 
Charles: Did you have fun at grandparents' place?
Will: a lot! I got amazing presents
Charles: nice! You'll show me at home
Charles, Will, Diana and Diana's mum will meet up in about an hour at Charles' home.