For me the ideal place would be the type you walk in, no appointments needed. There would be a lounge area with comfy leather chairs, and a fridge full of cold water/juices etc. You grab a beverage and park your ass in a chair across the room from all the ladies who are available, have a chat for 5 to 10 minutes, then make your choice, and you two walk off hand in hand to the room. Once in the room hand the donation to her, lock the door, and get going. When your time is up a calm and quiet buzzer would got off for a second to let you know...hop into the in room shower, clean yourself up, kiss her goodbye and exit the building.
But I don't own a place, so it's just my dream, not a reality.
The only prebooking would be for Limo services, where you choose a lady from a website, the place owns a nice limo, good privacy screen in place, the limo picks you up wherever you want it to, lets say the airport. As the driver slowly drives you to your hotel for example, you and the girl of your choice get it on in the limo.
Heck I would use that every trip to and from the city...nice way to travel, arriving at the hotel or wherever relaxed, and taken care of.