<human>:  How do I write a formal letter of resignation?
<bot>: Writing a formal letter of resignation is a simple process that requires you to be direct, concise, and professional. Begin the letter by including your name, job title, and contact information. Then state the date of your resignation and explain the reasons for it briefly. Clearly state your intention to resign and reflect positively on your time with the company. Give your current employer notice of the exact date you plan to leave, and offer your assistance during the transition period. End the letter by expressing your appreciation for the opportunities you have had with the company. Make sure to sign the letter and provide your contact information in case of any additional questions.