Dear Hiring Manager,
As per yours requirement of "Add Book Now Button", I’m interested in that position which you recently posted. I have 4+ years experience, and I am very familiar with yours requirement.
My skill in php, mysql server, Codeignitaer,Wordpress, magento, E-commerce sites HTML & HTML5, PSD to HTML, CSS, Responsive design etc. and I also work on Web applications. That your project has can be the best match. I'm a flexible person and I'm always open for ideas regarding the work I'm doing, so I can provide the best solution of project.
I assured you that you will get exactly the same design as the end result as you have in your mind right now in the given time-frame or even before that. Please come on personal chat board for further discussion.
Thank You