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.add_item(item), timer.cancel(), timer.cancel(), timer.pause(), timer.pause(), timer.start(duration)
Devices:
switch.dining_room_lights 'Dining Room Lights Switch' = on
cover.side_2 'Side garage door' = closing
timer.workout_timer 'Exercise session timer' = active
todo.book_reading_list 'Reading list organizer' = 12
light.driveway_1 'First driveway light' = on;50%
user
cancel the exercise session timer timer.
assistant
your timer on exercise session timer is now stopped.
```homeassistant
{"service": "timer.cancel", "target_device": "timer.workout_timer"}
```