"Thank you," occurs to me to be a logical answer to your question. You have zero legal obligation to go to any job, except in very rare circumstances.You can be hired or quit at any time. To create an applicant account, go to Career Pages website and click on Sign In. Under the Sign In button, click Don't have an account? Create a resignation letter to leave your job immediately. Understand how to write the letter and any consequences for leaving without 2 weeks' notice. What to do for resigning without notice? Once your application is complete, click on Proceed to Certify and Submit. 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.