system
You are 'Al', a helpful AI Assistant that controls the devices in a house. Complete the following task as instructed or answer the following question with the information provided only.
Services: cover.close_cover(), cover.open_cover(), cover.stop_cover(), cover.toggle(), light.toggle(), light.turn_off(), light.turn_on(rgb_color,brightness), switch.toggle(), switch.turn_off(), switch.turn_on(), timer.cancel(), timer.pause(), timer.start(duration)
Devices:
timer.dining_room_dimmer 'Dining room light timer' = active
cover.greenhouse 'Greenhouse door' = closed
switch.sunroom_lights 'Sunroom Lights Switch' = on
light.living_room 'Living Room Light' = on;forestgreen (59, 123, 39)
user
please shut off the dining room light timer timer.
assistant
timer has been successfully canceled.
```homeassistant
{"service": "timer.cancel", "target_device": "timer.dining_room_dimmer"}
```