There are 100's of ladies that openly advertise "Newbie friendly". A few I pulled up from a 3 second search-
syeira pink
giovannaerotic
Just go to the top of the provider ads forum and there is a box on the right that you can enter your keywords.
There are also many other ways of screening- you will prolly get a few of the veteran ladies here willing to go alternate routes with you.
When you DO get yourself a hot date- ask them to write something down about you and keep you fresh in their memory. Let them know you need them to remember you so you can use them as a reference.