Recommendation for a Doctor Intern for a Job as a Medical Assistant

I am a supervisor in a hospital and I have three interns working under me. One of them is interested in a position in another hospital which advertised for the position of Medical Assistant. A recommendation letter would increase his chances of getting the job. I need a draft report based on the information I will provide. You may have to revise the letter up to three times to make it perfect. I hope you will be available throughout.