Dear Mr./Miss/Ms/ Mrs.
I am writing this letter in response to your advertisement for (write the vacant position that was advertised. If the position was not advertised simply write the reason you are writing the letter and include the position you are applying for).
I hold qualifications in …. (Describe your qualifications, qualities, skills and experience if any).
Enclosed you will find my resume and testimonials for your consideration. I am available for an interview if called upon. I thank you for your consideration and look forward to hearing from you soon.