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. In this article, we discuss how to write a job offer acceptance letter and also present a template and sample letter to help you get started.Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples. You need to fill out the right side of the ticket completely (including your current mailing address) and sign it.