Booked it on this platform for the 1 hour surf lesson and I was worried at first as there isn't option for time slot selection (only date selection is available). I went to the surf school and didn't have to book any time slot as there were instructors available. Overall a great experience with the surf school and the instructor was really nice, friendly and informative. He would tailor the lesson based on your skill. I've managed to stand up on the surf board and he taught me a bunch of other skills for surfing. Water is also provided during and after the surfing class.