Initiate voice dialog from OpenHAB

Hi,
is it possible to initiate a voice dialog from OpenHAB?
My goal:
I open the roof window with a wall-button (knx).
In some conditions a voice asks me: “Should I close the window in 10 minutes automatically?”

An Echo or a Google Home Mini would be in reach - but is there a way to start this interaction without “voice commands”?

Michael