Warning Letter For Refusing Work

Dear All
In my Company last 15 days there is no work for labours because of no work. Today i called 1 person for work. But he is not willing to do the work. So i have to give one warning letter. Anyone can help for this??

To:


Date:
Subject: Warning Letter
Dear XYZ
It has been brought to the management notice that you have neglected the job assigned to you by refusing the instructions of your superiors.
This is to warn you that such negligence and misconduct from you will be not be acceptable to the management in future and serious action will be taken against termination of your services with us
This is a final warning