Joke of the day

-Hello, are you there?
-Yes, who are you please?
-I'm Watt.
-What's your name?
-Watt's my name.
-Yes, what's your name?
-My name is John Watt.
-John what?
-Yes, are you Jones?
-No, I'm Knott.
-Will you tell me your name then?
-Will Knot.
-Why not?
-My name is Knott.
-Not what?
-Not Watt, Knott.
-What?