John: Hi, this is John Winchester. Who am I speaking to and why are you calling me?
Dean: Do you not have my number saved?
John: Who is this?
Dean: Who is this???
John: Who am I speaking to?
Dean: It's...it's Dean.
John: Dean, why are you calling me?
-vs-
John: Hi, this is John Winchester. Who am I speaking to and why are you calling me?
Sam: Dad, do you not have my number saved?
John: Sammy! It's good to hear your voice son!