#1
"This is Michael Covington, can I help you?"
"Um... er... is Michael Covington there by any chance?"
#2
"This is Michael Covington, can I help you?"
"Beep... beep... beep... beep..."
(Me, loudly:) "Hello, hello--This is not a fax number--you've got the wrong number."
(Total stranger:) "Then you'd better tell Jimmy!"