I am writing to inform you of my two weeks notice. Effective August 18th will be my last day.Giving a two-week notice letter is a professional way to inform your employer that you intend to resign from your current position. How to Use Two Weeks Notice Letter? Learn how to write a professional two weeks notice letter with our easytouse template. Talk to your manager directly and let him know that you're resigning. You can ask him if you should turn in written notice to him or to HR. I'm happy to assist you with your question today. I am writing to notify you that I am resigning from my position as. I'm happy to assist you with your question today.