Booking a tour is not working

Hi,
Thanks for your good support;
I’m facing the problem on my website for booking the tour , after adding my tours on the website, I try to book one of tour but it is not working, I fill the form but when I click on booking now button , It redirects me to shop page. Please help me to resolve this problem.

You can access my website via this link https://paradisetravelk.com/