I appreciate your difficulties in giving me a salary raise at this point of time since the company’s sales have been poor and there is recession. However, I have found a job as a Senior Accountant with ____________ (Company Name), ____________ (Place Name). They have offered me a better pay packet and prospects. It is really a promotion for me.
I am reluctantly leaving this company for I have been quite happy working here under you, and have friendly and warm relations with all my colleagues and subordinates.
I am really thankful for your valuable help and guidance during my ____________ (Years) long service here. I shall be grateful if I am relieved in time to enable me to join the new post on ____________ (Date).