Have you trained your speech recognition profile at least three times?
If so, and you're seeing "Unrecognized" entries in the log on the main window, have a look through the suggestions in
this topic.
Do note that the speech recognition engines are designed for a given accent. E.G. if you don't speak English with a US accent, the US English speech recognition engine will likely not be able to work accurately.
For Microsoft Flight Simulator, there is
a plugin available with the third-party application SPAD.neXt that facilitates the getting and setting of variables.
Alternatively, a user has created a plugin and made it available
hereThose are intended for creating a profile yourself.
If, on the other hand, you're looking for a prebuilt profile, there are
third-party HCS Voice Packs products available that may be relevant.
There are also some user-created profiles, E.G.
here