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(), lock.lock(), lock.unlock(), timer.cancel(), timer.pause(), timer.start(duration), vacuum.pause(), vacuum.return_to_base(), vacuum.start(), vacuum.stop()
Devices:
climate.carrier_cor 'Carrier Cor Wi-Fi Thermostat' = cool;Auto Low;78F;66%
lock.stair_gate 'Staircase gate lock' = unlocked
cover.front_window 'Front Window Blinds' = closed
vacuum.downstairs_guest_room 'Downstairs guest room vac' = cleaning
timer.garage_door_1 'Garage door timer' = active
user
switch the system to fan_only mode.
assistant
setting the hvac to fan_only.
```homeassistant
{"service": "climate.set_hvac_mode", "target_device": "climate.carrier_cor", "hvac_mode": "fan_only"}
```