Starting with a duo is a bit tricky. Since the normal advice is to ask a girl you like to fuck if she has a friend. Because most do.
There are many duo reviews here. Get reading.
For your situation you might want to just go to an agency and make it their problem. Actually, across this site the main concern with agencies is not the service it is that one pays 50% more (pimps share). But for a one off not as big a deal. The other down side is it is hard to track the escorts as they come and go and have different names with each agency. There is an agency list on the wiki - you can see which are more used - and there are lots of reviews of them here too.
External Link/Members OnlyBut also look at the top rated girls on the wiki.
External Link/Members Only If, say, you look at the polish list, you see near the top veronica
External Link/Members Only or
External Link/Members Only . I have not punted her but for example she has good reviews and has duo two friends listed. An option. if you work through the wiki, you will see many others.
Do your homework. Post ideas here for feedback.