Below you'll find the best email template for accepting an internship – just fill in the blanks for yourself. To create an internship offer letter, include key details, next steps, legal terms, and close with a signature section.Sample letter: Dear Mr. Harris: Thank you for your offer for the position of legal research assistant with Martin, Smith, and Pearson. If you were recently accepted, you will need to complete the following steps to secure your admission to the Harris School of Public Policy. 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. It is my pleasure to write in support of the application of Mr. Ian Harris for your residency program. When does the Biden-Harris White House Internship Program officially begin? Short cover letter example (new graduate). Dear (student's name):.