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. 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. Create the perfect job offer letter with this guide. Offer Letter Templates. Templates are updated periodically and the most up-to-date template should be used for each hire.