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. Download Illinois Employment Acceptance Letter template, modify and send for signing using BoloForms Signature.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. A sample letter offering a job contingent upon the results of a background check or other criteria. Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples. Sample. Business Letters Congratulations on the job offer! Thank you for this exciting opportunity. In the opening paragraph of the letter enter the job position that is being offered, then enter the name of the company that is the Employer. My name is Mr. X and I have through all the rounds of interview.