The Manager,
Most respectfully, my name is __________ (name) and I am ________ (designation) of ________ (department) in your reputed company having employee ID number _______ (employee ID number).
I would like to inform you that I have been working in your company for the last _____ (mention duration) and I write this email to request for parking allowance. I am entitled to _________ (mention policy) and for the same, I request you to kindly approve my parking allowance. I am attaching the parking bill for your reference.
I request you kindly proceed further and approve my request. I shall be highly obliged for your kind support.
Thankful as always,
[Digital Signature]
____________ (Signature)
____________ (Name),
____________ (Contact details)