Online Calendar/Event Reservation

PHP,MySQL,JavaScript,Bootstrap to implement https://codecanyon.net/item/tiva-events-calendar-for-php/19199337?_ga=2.164892154.472960564.1633959786-1004112275.1633708757 solution with cookies, etc. I have a story board with the forms that I would like to use to gather the event info that will end in MySQL tables.