multiple events, multiple booking

Hello,

Hope you are doing well.

I installed Booking Activities plugin and added calendar to one of the product page.

Link : https://www.toombuldistrictcricketclub.org.au/product/rent-a-net/

I am not able to select multiple events at a time like. I want multiple events selected like demo : https://demo.booking-activities.fr/en/shop/multiple-bookings/

Waiting to here from you.

Thanks.

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