Simple and courteous resignation letter
Your Phone Number
Your E-Mail Address
Dear (Recipient's Name from above):
Please accept this as my formal resignation from (Company Name), effective (date, usually two weeks from the above date). I greatly appreciate you giving me the opportunity to work for (Company Name).
I hope that two weeks notice will give you a sufficient amount of time to find a qualified replacement. Please let me know if you need my help in any special capacity over the next couple of weeks.
Again, thank you very much for the opportunity to work at (Company Name).
(Your Name, Your Title)