If you've accepted a job at another company, use this resignation letter to leave your current position.
Dear Mr./Ms. Bossname
This notice is to let you know that I must respectfully resign my position here at (company), effective (date).
I have accepted a position as a (position) at another company. Thank you for the opportunity to be a part of this team. I have greatly enjoyed the work I have done and the time I have spent at (company).
Thank you again, and I wish you and the rest of the staff the best of luck in the future.