To create an internship offer letter, include key details, next steps, legal terms, and close with a signature section. 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. Dear (student's name):. I am pleased to confirm your acceptance of an internship as (Title) in the. I am thrilled and honored to accept the offer to join your team. Give your answer in the first sentence. If you're officially accepting the internship, be sure to lead with an acceptance statement. Acceptance Letter for an Internship. Please take this email as official confirmation that I accept the position.