Fan Speed Level One: OK Google, change (nickname) fan speed to level one.
Fan Speed Level Two: OK Google, change (nickname) fan speed to level two
Fan Speed Level Three: OK Google, change (nickname) fan speed to level three.
Fan Speed Low Level: OK Google, change (nickname) fan speed to level low.
Fan Speed Medium Level: OK Google, change (nickname) fan speed to level medium.
Fan Speed High Level: OK Google, change (nickname) fan speed to level high.