Function Composition

<User>: "I need a new big car. Requirements are: drive cross-country, seat 6+, real off-road capability, excellent driver assist."
<Function>: `searchListings({ "requirements": ["cross-country", "6+ seats", "off-road", "driver assist"] })`
<Model>: "Here are some cars that match your requirements: Toyota Land Cruiser, Ford Expedition, Tesla Model X."

<User>: "Tell me more about the Toyota Land Cruiser."
<Function>: `lookupVehicleDetails("Toyota Land Cruiser", "[features...]", "[reviews...]", "[specs...]")`
<Model>: "The Toyota Land Cruiser has these features: [detailed features...]"

<User>: "I want to schedule a test drive for this Saturday."
<Function>: `scheduleTestDrive("Toyota Land Cruiser", "Saturday", "[location...]")`
<Model>: "Your test drive is scheduled for Saturday. Would you like to proceed with a purchase if you like the car?"

<User>: "Yes, if I like how it drives, I'm buying it."
<Function>: `buyVehicle("Toyota Land Cruiser", "after test drive")`
<Model>: "Great! Let me know how the car drives afterwards and we can start the purchase."

<User>: "Test drive went well. I loved the car and want to finance it."
<Function>: `submitCreditApplication("Doug DeMiro", "Toyota Land Cruiser", "[VIN]", "[...]")`
<Model>: "Thanks Doug! Your credit application has been submitted. Do you want to add any F&I products, like a Vehicle Service Contract (VSC)?"

<User>: "Yes, add the VSC to my purchase. I want all the options."
<Function>: `addVscProduct("VSC", "BestVscPackage", "Toyota Land Cruiser", "[terms...]")`
<Model>: "The VSC has been added to your purchase. Would you like me to ship the vehicle to your home address?"

<User>: "That would be perfect. Pleae arrange transport to my home address."
<Function>: `arrangeTransport("Toyota Land Cruiser", "Doug DeMiro", "123 Bay Beach lane", "Arrive in 5 days")`
<Model>: "Done! Transport and delivery has been arranged. Your vehicle will be there in 5 business days."
...