how does 娃娃谷 operate? is Rita fully booked already?

So their ad say Rita will be working on Sunday. Been hearing lots of positive things about her lately. My hunting buddy vouched for her and told me she is a must try. He rarely calls any mms must try so i think Rita must be special. I tried calling and pm-ing but haven't gotten any feedback at all. Anybody know if she is already fully booked already? Or does it work on a first come first serve basis on the actual day that the mm shows up for work? Also can somebody shed some light on how this garage operate? I perceive that this garage has some nice girls but they are rarely open. Either they are deliberately restricting supply to keep demand high, or the keeper is lazy, or the mms are lazy or busy. I don't get it though. Is the keeper too lazy to earn money? Thats hard to believe. If the mms are lazy or busy, thats reasonable cuz they mite hv school or bf or family or whatever, but then at least the keeper can answer the phone and take bookings. But most of the time, their phone is just turned off. So are they just deliberately restricting supply to keep demand high?