Redirects wrong

Hello, please click on Car details, then try to make a reservation and check that it goes to Homepage. Please let me know how to fix that so i can buy the Pro version because the plugin is amazing. Thank you.

Also, i need to get rid of ” /wp-content/plugins/vikrentcar/site/resources/jquery.fancybox.js ” because it makes my website very slow.

The page I need help with: [log in to see the link]