Here's a list of offer letter acceptance email reply samples and templates to express your enthusiasm. Dear Ms. Gray: I am writing to formally accept your job offer and tell you once again how pleased I am to be coming to work at Orange Center.A job acceptance letter is an important letter you should send to the employer after you are accepted as one of the staff. The employee writes a letter to accept a job offer from an employer. In the letter, the employee thanks the employer for the interview process and opportunity. Mention following things in your mail: Sample Reply: Thank you so much for offering me the job. 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.