Respected Sir/Madam,
My name is __________ (name) and I am working as _________ (designation) in your company having employee ID __________ (employee ID number).
I would like to state that, due to family reasons, I will not be able to attend office for _____ (number of days) days, from __/__/_____ (date) till __/__/_____ (date). I am requesting you to kindly sanction the vacation leave in my name.
I shall be obliged. In case of need, you may contact me at ________ (contact details).
Thanking you,
Sincerely,
________ (Name),
________ (Designation),
________ (Contact details)