Compose a farewell letter to notify me of your impending...

Compose a farewell letter to notify me of your impending departure from your present role at [[COMPANY NAME]]. Kindly incorporate the rationale behind your decision, such as [[REASON]], along with any essential particulars pertaining to the transition phase. Additionally, feel free to convey your gratitude for the time we have shared, particularly [[MEMORY/PROJECT]], and furnish any contact details for prospective correspondence, if desired.