You can simply say: "No thanks. " (And even the "thanks" is optional).I have about 6 hours to make my decision. Can I back out of it if I receive a better offer from another company? We provide seven job acceptance email templates to help you craft the perfect response, ensuring a formal acceptance of the position. I accepted the offer a day later and signed the offer letter. I have not heard back from them in 3 weeks. Dear : We are pleased to offer you the position of Student Assistant in the at San José State University. There is no single way to format your resume . The format you choose should present your strengths clearly .