Hi,
If you want to use woocommerce payment, please enable it in "Payment Add-on Setting" tab in theme options panel.
And set cart page and checkout page in Woocommerce -> Settings menu -> Advanced tab.
http://soaptheme.net/document/travelo-wp/#woocommerce_integration
And please confirm you added deposit amount for every tour in edit tour page.
I can see you did not add it. http://prntscr.com/ndh424
Regards, C-Themes
Working well with the deposit amount
Many thanks :)