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: light.toggle(), light.turn_off(), light.turn_on(rgb_color,brightness), timer.cancel(), timer.pause(), timer.start(duration)
Devices:
light.attic 'Attic Light' = off;38%
light.kitchen_bar_warm 'Kitchen Bar Warm Light' = on;teal (19, 103, 112);35%
timer.workout_timer 'Exercise session timer' = active
light.back_mudroom_warm 'Back Mudroom Warm Light' = on;54%
user
please stop my exercise session timer.
assistant
exercise session timer's timer has been canceled.
```homeassistant
{"service": "timer.cancel", "target_device": "timer.workout_timer"}
```