I, __________ (your name) working in _______ (department) as _________ (designation) in your company having employee ID Number ________ (employee ID Number).
Courteously, I write this email to inform you that I am looking forward to going on a vacation with my _________ (family/friends/any other) for ____ (days). In this regard, I humbly request you to grant me annual leaves from __/__/_____ (date) to __/__/_____ (date).
Moreover, I will be available on calls regarding work throughout the period mentioned above. I hope that you will consider my request and approve my leaves as soon as possible, so I can plan my travel accordingly.
Thank you for your kind consideration. I look forward to hearing from you soon.
_____________ (Employee ID),
_____________ (Contact details)