I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago. Mention following things in your mail: Sample Reply: Thank you so much for offering me the job.Start a job offer letter with "Dear" and the candidate's first and last name. Let them know that your company is enthusiastic about the job offer. "I am pleased to accept your offer, and look forward to joining the team. A simple "thank you for the offer" can go a long way. Formally accept the job. Directly state that you agree to the terms of the position at the beginning of your email. Turning down a job offer after you already accepted it should be done gracefully. I received and signed acceptance of a job offer from my current employer.