A good write-up on tips for finding a good site is listed here as so many sites are not legitimate:
The Skype suggestions is a good idea and something to consider when searching online.
Two sites to inquire with further are mentioned here:
I hope what I was able to research for you can be helpful in your search. If you could please take a moment to rate my answer so that I know that my help was useful and allowing me to assist other customers such as yourself.
Best of luck in your search.