DO
As the payment userflow, make it simple and fast. Only one action per page is needed and everthing the user does is explained clearly
DO
Make sure buttons are disabled if no date is selected
DO
Ask your user to confirm his booking
Make sure he can always come back and change his selection if needed
DO
inform your user that is booking has been confirmed. Here we did it with a simple toaster. But a dedicated page can do or even a SMS or an email.
