To whom it may concern
This letter is to certify that MR. JOHN SMITH had been employed by PANTIP RESTAURANT from 1 January 2011 to 2 January 2012 as an assistant chef. His responsibilities included bla bla bla... He had been a reliable worker and wonderful colleague to us, and left the job on his own accord. (His latest monthly salary was ... Thai Baht).
We wish him best of luck in his future endeavours.
Sincerely yours,
Mr. Harry Potter
Pantip Restaurant Co-owner and Managing Director