Dysfunctional online booking system

I tried to book Pandy, a Club site, and went through the entire process completing the payment process but was not returned to the Club confirmation page and neither was an email received. As it was the last date to receive a booking discount I repeated the process and after five failures gave up. On checking my credit card statement all five deposits were recorded. It took 20 minutes on the phone to a very helpful member of staff to confirm that no booking had been completed and payment would not be retained. I had an identical  problem last September and there is comment on websites of others having similar problems. I don't mind the odd glitch but it is unacceptable that 10 months later such a basic fault still persists. The club has lost a decent length booking replaced by a couple of calls to CLs