Already there (and has been for many years) - you can have charming and rather competent Amelia help you handle the Alouette-III. Which is rather useful if you do a rescue operation and want to drive the winch.
Sure you can. And she'll politely ignore you because she's busy flying.
(A binding is just a binding - if you have any form of voice recognition software, it's trivial to bind recognized commands to something you say. So again, you can do that right now, I just hope you're not suggesting that FG re-invents the wheel and develops voice recognition software).