I have done appointment booking system before. I have ready solution with source code for you .
Relevant Skills and Experience
I know PHP, Codeigniter , AJS, Larawel, Django/Python , Angular, Node.js, bootstrap Drupal , Zend, Word Press, Magento . Open cart , woo-commerce based websites, and E-commerce - online stores.
Proposed Milestones
$2500 USD - 2 milestone