Date: [Date]
To: [Recipient or role]
[Organization or institution]

Subject: Leave request

Dear Sir/Madam,
I am [Your full name], [Your role, class or reference]. I request leave from [Start date] to [End date] because [Your actual reason].

My arrangement for work or studies during this period is: [Actual handover arrangement]. Please consider approving leave for these dates.

Thank you.
Sincerely,
[Your full name]
[Contact detail, if needed]