Dear mr. smith,

　　Ms. maria of your company has told me that your depart. needs a manager assistant, and i want to apply for the position. I graduated from the university of business and economy last year. My major is human resource and some experience in business has prepared me for the work you are calling for.

　　I am really interested in learning business practice.I will try my best to be a diligent worker and a fast learner. If given a chance,I am sure i can prove my worth in your company.

　　I will be available during the weekdays in the morning for any interviews you may want to give. Enclosed is my resume, and hoping for your immediate reply.

　　Sincerely yours,