I have gone through your requirements and understood that you want to get a chat bot built and than integrate into your sites.
Relevant Skills and Experience
HTML 5 ,CSS3, BOOTSTRAP, JAVA SCRIPT, J QUERY, Ajax, PHP, MYSQL, LARAVEL, CAKE PHP, Codeigniter, WORDPRESS, Drupal, Joomla, Custom CMS, Magento, Prestashop, Woo Commerce, AND .NET TECHNOLOGIES.
Proposed Milestones
$25 USD - Needs to be discussed