Allow skills to bind to a custom wake word.
Allow users or to configure wake words to use a specific skill as the context.
Probably best to use the skills installed as the wake word and have a finite list of currently active wake words.
Alexa, ask Lyft how much a Lyft Plus from home to work
Lyft how much is a Lyft Plus from home to work
Ralf Stephan commented
This would be a way to work around the 8 second response time restriction.