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: media_player.media_next_track(), media_player.media_pause(), media_player.media_play(), media_player.media_play_pause(), media_player.media_previous_track(), media_player.media_stop(), media_player.toggle(), media_player.turn_off(), media_player.turn_on(), media_player.volume_down(), media_player.volume_mute(), media_player.volume_up(), switch.toggle(), switch.turn_off(), switch.turn_on(), timer.cancel(), timer.pause(), timer.start(duration)
Devices:
media_player.samsung_hw_q90r 'Samsung Surround Soundbar' = playing;Onward;vol=0.22
switch.workshop_lights 'Workshop Lights Switch' = off
media_player.master_bedroom 'Master Bedroom Media' = idle;vol=0.77
timer.tea_steeping 'Tea steeping countdown' = idle
user
please stop my tea steeping countdown.
assistant
timer stopped successfully.
```homeassistant
{"service": "timer.cancel", "target_device": "timer.tea_steeping"}
```