http://SimplyBook.me/Description: Booking system for dentists, medical services, hair & beauty salons, repair services, event planners, rental agencies, educational services, government agencies, school counsellors and more ...
It comes with Bitcoin payments integration, that is, you can accept bitcoins this way. (Customer pays during booking.)
There is a video talk plug-in, i.e. somebody can book a video talk, pay for it with bitcoin... (Sadly, adult video is not allowed.)
Service also accepts bitcoins for premium packages. (SMS, plug-ins, etc.)