Sam: Where are you?
Phil: Home
Sam: ??? !!!
Phil: What do you mean?
Sam: We were supposed to have dinner together! I'm waiting for you here... like some idiot!
Phil: **** ! I forgot!!!!
Phil: I'm sorry! Really!
Sam: Me too! Forget it...
Phil: Hey! Can we meet tomorrow? I won't forget
Sam: I can't. Forget it. As simple as that.
Phil: Hey! Don't do that. 
Phil forgot about dinner plans with Sam and now she refuses to reschedule for tomorrow.