急求工作証明的書信格式~!!(緊急)

Date : (ddmmyy)
TO WHOM IT MAY CONCERN
This is to certify that Mr. XXX/Miss XXX , holder of HKID No.xxxx, has worked as a Clerk/salesperson in our company for the period from (ddmmyy to ddmmyy) .
During the period of his/her employment, we found him/her diligent, conscientious and faithful in the performance of his/her duties.
He/She is leaving our company of his/her own accord on (ddmmyy).
Yours truly,
For and on behalf of

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Mr. xxx/Miss xxx, Manager