Please write a request email to your manager that you want to take a day off from work because your cousin will come to your country and write convincing reasons

the structure is below

Request email structure From: your name Date: To: Tilte: Salutation: Hi ......, Dear Small talk: "I hope your having a good day'', ''I hope this email finds you well" (personal) Request: state the request then give the background or reasons. Sign off: best regards, all the best, etc name