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(), climate.set_fan_mode(fan_mode), climate.set_humidity(humidity), climate.set_hvac_mode(), climate.set_preset_mode(), climate.set_temperature(temperature), climate.toggle(), climate.turn_off(), climate.turn_on(), light.toggle(), light.turn_off(), light.turn_on(rgb_color,brightness), lock.lock(), lock.unlock(), 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()
Devices:
climate.zen_wifi_thermostat 'Zen Thermostat WiFi Edition' = auto;Auto Low;24C;45%
lock.electric_gate 'Electric gate lock' = locked
media_player.xbox_one 'Xbox One' = off
cover.hallway_1 'First hallway blinds' = open
media_player.apple_tv_4k 'Apple 4K Streaming Device' = playing;Cartoon Network Hall of Fame: Courage the Cowardly Dog Season Three;vol=0.95
light.front_zen_ge 'Front Light' = off;darkkhaki (173, 173, 110);14%
media_player.dining_room_jukebox 'Dining Room Jukebox' = off
user
switch the system to heat mode.
assistant
switching to heat mode.
```homeassistant
{"service": "climate.set_hvac_mode", "target_device": "climate.zen_wifi_thermostat", "hvac_mode": "heat"}
```