Most humbly, this is to inform you that my name is ________ (name), working as _______ (designation) in ________ (department).
Through this email, I would like to inform you that I will not be able to attend office from __/__/____ to __/___/_____ (date). The reason behind my absence is that I have to travel to _________ (mention location) due to _________ (mention reason for traveling).
I hereby request you to kindly sanction the privilege leave and approve the same so that I can plan accordingly.
________ (Employee ID),
________ (Contact details)