Automation of a process in a website

There is a website which provides appointments. The timing for opening of appointment slots is not fixed. The automation needs to check continuously for the appointment and once the slot for appointment opens. The appointment should be booked automatically.
You need to have deep knowledge of cloudflare waiting room as this website has cloudflare waiting room and all the relevant automation related coding language.
Freelancers having similar kind of past experience will be preferred more.

Note- This is a long term project. If you can finish this work successfully you can be hired permanently with monthly payouts and projects