Dear hiring manager,
I have Carefully gone through your job posting on "job title". Your job sounds very interesting. I feel that all my clients are my best friends and I had love to work with you on a long-term basis if the fit is good.
I am student, and have much free time interms of doing such job. Most of the time I am online, so can instantly answer your questions and do requests.
I would very glad you if give me a chance to show the best I can do for your organization.
I agree with your payment conditions and can work all days every day.
Thank you very much dear hiring manager for the opportunity.
Best Regards,
Samidul Islam