123, Regal Road,
29th September, ’08.
Dear Mr. Smith,
This is with reference to my holiday which has been approved from (6thOctober, ’08 to 17th October, ’08).
Due to certain unforeseen events, I have to extend my holiday. I request you to kindly grant me an extension of (three days) i.e. up to (20thOctober, ’08). I shall be in a position to resume duties from (21st October, ’08).
I look forward to your approval.