虽然很喜欢日前的工作，但我已得到另一家公司提供的更适合我事业目标的职位。
④Thank you for your kind attention and would appreciate if you could let me have a reference letter before I leave.
感谢您对我的关照，如果您能为我写一封推荐信，我将不胜感激。
⑤I regret having to resign from my position. I wish you and XXX the best of luck and future success.
很遗憾我不得不辞职。祝您和XXX公司好运相伴，未来更加兴旺发达。
⑥If I can be of any assistance during this transition, please let me know.
如果在工作交接期有需要我做的事情，请通知我。
Sincerely,
真诚的
(your full name)
(你的全名)