To create an internship offer letter, include key details, next steps, legal terms, and close with a signature section. Below you'll find the best email template for accepting an internship – just fill in the blanks for yourself.I am writing to express my gratitude and excitement in accepting the internship placement offer at NebulaNex Dynamics, as outlined in your offer letter. Looking for paid summer internships in San Antonio? Start with this comprehensive guide full of tips and tricks. Important information that should be in an internship offer letter. The student has been accepted for an internship position as a title in the department name. They will start on a specified date at an hourly wage. A job acceptance letter is an important letter you should send to the employer after you are accepted as one of the staff. Select the Report a Job button, and fill out the Report this Job form.