Dear Hiring Manager, I see you are looking for a freelancer to do some data entry. I am available now to do just what you are looking for. Let me tell you why I am the best candidate for the job:
a) Firstly, I have the experience because I have worked with the microsoft office suite for over fifteen years during which time, I have gained a wealth of experience working on various types of projects.
b) I believe that my familiarity with this software enables me to apply my knowledge to meet your needs and do just what you are looking for
c) I know you are looking for a disciplined, self-motivated and committed freelancer with both skills and passion, and I am that person. I am willing to go above and beyond on any project to ensure that I deliver within set time frames
I would therefore welcome an opportunity to further discuss this project with you to address any concerns you may have and clarify any issues not explicitly stated.