My name is __________ (name) and I have been working as a part-time employee in your esteemed company for a very long time. My employee ID number is ________ (employee ID) and I work in __________ (department) of your company.
I am writing this email to inform you that I am willing to take annual leave for ________ (number of days) from _________ (date) till ________ (date). The reason behind the same is ___________ (personal reason/ health issues/ any other).
I shall be highly served if you could do the needful at the earliest. In this regard, you may contact me at ________ (contact details).
Thanking you in anticipation.
____________ (Employee ID)