Multi-turn user requests:
user: I've heard a friend of mine in Rivermist recently visited Stonebrook, and she mentioned the journey felt quite extensive. I'm curious, do you happen to have an idea about the actual distance between the two places?
user: Covering the distance from Rivermist to Stonebrook sure seems like a long trip. I'm a bit worried if my vehicle can endure the journey with the current fuel level. I'm not entirely sure how far my car can travel on the remaining fuel. What do you think?
user: Thanks a lot! Before I embark on this journey, it makes sense to ensure I won't be left stranded due to an empty tank. Just add to the tank fully.
user: Great, with my tank now full, let's embark on this journey. Once I'm set to go, I'd appreciate it if you could start the car for me.
user: By the way, as I travel, there are some updates I need to communicate to my friend Michael. Would you be able to send message 'I am on my way'?
user: Lastly, while I'm on the road, I want to make sure I have informed everyone that should be aware. Could you display what messages I've send thus far?

Involved API classes: MessageAPI
VehicleControlAPI

Initial environment state:
VehicleControlAPI: fuelLevel: 5
batteryVoltage: 12.6
engineState: stopped
doorStatus: driver: unlocked
passenger: unlocked
rear_left: unlocked
rear_right: unlocked
acTemperature: 25
fanSpeed: 50
acMode: auto
humidityLevel: 50
headLightStatus: off
parkingBrakeStatus: released
parkingBrakeForce: 0
slopeAngle: 0
distanceToNextVehicle: 50
cruiseStatus: inactive
destination: Stonebrook
frontLeftTirePressure: 32
frontRightTirePressure: 32
rearLeftTirePressure: 30
rearRightTirePressure: 30
MessageAPI: user_count: 4
user_map: Michael: BD732D1888B94DAA
Sarah: USR002
David: USR003
Emma: USR004
inbox: Safe travels!
message_count: 1
current_user: USR003

Ground-truth function call path:
VehicleControlAPI.get_zipcode_based_on_city
VehicleControlAPI.estimate_distance
VehicleControlAPI.estimate_drive_feasibility_by_mileage
VehicleControlAPI.fillFuelTank
VehicleControlAPI.startEngine
MessageAPI.send_message
MessageAPI.view_messages_received

Functions held out until the model asks (by turn index):
4: startEngine