Compose a farewell letter to convey your appreciation for...

Compose a farewell letter to convey your appreciation for the chance to collaborate with me and to notify me of your departure. Feel free to emphasize a particular recollection or accomplishment, such as [[MEMORY/ACHIEVEMENT]], and extend your well wishes for my forthcoming pursuits, such as [[FUTURE GOALS]]. Additionally, you may extend your support during the transitional phase by offering assistance with [[TASKS]].