When resigning for personal reasons, use the following template and examples as a starting point to write your resignation letter. Below are some ProTips and a sample resignation letter that you can edit based on the details of your own individual situation.Simply write that you're leaving for "personal reasons" after stating your intent to resign and your last day of employment with the company. Learn how to write a short notice resignation letter with samples. Find a solution to the challenge of resigning on short notice. Dear (Supervisor's Name),. Simply write that you're leaving for "personal reasons" after stating your intent to resign and your last day of employment with the company. Keep it short and to the point. There's no reason to draw this letter out beyond a single page. Thank you very much for the opportunities for professional and personal development that you have provided me during the last five years.