This is why I don't have an phone or email address on my website.
You simply fill in the booking form; it gives me all the information I need to check my schedule, screen & set it up. If am not available, I can quickly shoot an email from my phone saying so. If I am available, then I call you once the screening is complete. Using this method is SO much more efficient!
As for the OP, many ladies don't do same-day requests which is why you may have not heard from them. Or, maybe you failed to adhere to their booking method whatever that may be.