To create an internship offer letter, include key details, next steps, legal terms, and close with a signature section. Sample internship offer letter template.Dear (student's name): I am pleased to confirm your acceptance of an internship as (Title) in the (Department Name) with (Organization Name). Fill out your profile with information about you, your interests, your studies, and what you are looking for in a job. Entry-Level Positions Opportunities range from sales to customer service representative to medical equipment dispatcher. The University of California, Riverside Guide to Contracting (Guide) is designed to assist campus personnel. The University of California, Riverside Guide to Contracting (Guide) is designed to assist campus personnel. Phi Sigma Tau is an honor society for undergraduates in philosophy.