It seems that some people arrive here because they seek an answer to the question "Do tantrikas provide a happy ending?"
What seems like a straight and trivial question is really a bit tricky once you look into the details.
The short answer is: Yes, in my experience most professional tantrikas and masseuses will ask you whether you want a "happy ending". Sometimes they will charge a few extra bucks for it. (I have packed the naked factual information into the Tantra SSC FAQ for your convenience.)
However, the thing about tantra is that it is essentially about letting go of the goals and experiencing life from moment to moment. The idea is that our habitual focus on goals often gets in the way of just enjoying what is. When you're completely immersed in something and enjoying it with all your senses, you will rarely ever think about its "goal" or "purpose" or "finish". You're simply present in the here and now. And one effect of tantric practice is to help you be in that state more often. Essentially, you learn how to ride the wave of pleasure instead of asking where it will lead you.
So the question is actually a bit misleading, because it presupposes that the "happy ending" is the client's goal. That may or may not be true. Hazarding a guess, I'd say that first-time clients will always seek the "happy ending", while with more experience, at some point people discover the intricate and subtle pleasures of not having the pleasure end at all, and will stop asking for it.