Sir/Mam,
I read the details you mentioned above and also I am interested in your work. I don't say I am perfect and I will make your project the best but all I will say is that I will give my 100% for completion of your project. Content that I will provide you will be well-researched and accurate. Also, I will complete your project on time. I in this field of writing for the past 2 years yet there are many things to learn for me and I hope will get a chance to company you and find out some treasury of learning from you.
waiting for your positive comment.
I also want to add that basically I am a website developer and got certified in HTML5, CSS3, and JavaScript by Johns Hopkins University, Baltimore , the USA through Coursera.
Thank you