Most humbly, I would like to state that my name is _________ (name) and I am working as a _______ (designation) in _________ (department).
This email is in reference to the leave application dated __/__/_____ (date). I would like to inform you that my vacation plans have been cancelled due to _____________ (mention reason – transportation issue/family issue/personal issue/other). So, I would like to withdraw my leave application submitted by me.
Therefore, I request you to cancel my leave request and I will continue my work from __/__/____ (date). If you wish to contact me, you can feel free to contact me any time.
___________ (Employee ID),
___________ (Contact details)