Wordpress Booking System with Note Recording Capability

We need a booking system set up for a client’s WordPress website, similar in style and functionality to the booking flow on the following site: https://therapieclinic.com/ie/laser-hair-removal-for-women/bikini... (Budget: €8 - €60 EUR, Jobs: Backend Development, CSS, Frontend Development, HTML, Payment Gateway Integration, PHP, Web Design, Web Development, WordPress, WordPress Plugin)