Multi-turn tool-use scenario.
Tools involved: MessageAPI
VehicleControlAPI

User requests (one per turn):
user: Would you be able to increase my current fuel reserve to twice its size?
user: Since we've topped up the fuel, let's ignite the engine and assess the battery's condition for our journey.
user: Verify the tire pressure to guarantee they're accurately inflated for our lengthy expedition.
user: I need to inform my friend about the road trip itinerary; please dispatch them a note saying 'Road trip itinerary update.'. If that helps, my user id is 'USR005'.
user: My friend's name is David.
user: Simultaneously, might you show me all the messages I have send so far? I want to make sure I notified all the folks I want to contact.

Expected function call sequence:
VehicleControlAPI.displayCarStatus
VehicleControlAPI.fillFuelTank
VehicleControlAPI.startEngine
VehicleControlAPI.check_tire_pressure
MessageAPI.send_message
MessageAPI.view_messages_received
MessageAPI.delete_message