The HR Department
Name of Radio Jockey Office
Subject ( Applying for internship in your esteemed organization)
This is X, a graduate and a resident of X, is also a radio lover.
It will be my honor to present myself as a volunteer in your reputed company. You can count me in for all sorts of promotional activities, or taking care of reception area or even preparing drinks etc.
If given a chance, I will be as energetic as you guys are and want to learn under the able guidance of seniors.
Looking for a favorable response,
Your name and signature