Search for available flights between two cities.

Args: origin: Departure city name or airport code (e.g. "New York" or "JFK") destination: Arrival city name or airport code (e.g. "Tokyo" or "NRT") departure_date: Departure date in YYYY-MM-DD format return_date: Return date for round trips in YYYY-MM-DD format (omit for one-way) passengers: Number of passengers (default: 1)

Search for available hotels in a destination.

Args: destination: City name (e.g. "Tokyo", "Paris", "London") check_in: Check-in date in YYYY-MM-DD format check_out: Check-out date in YYYY-MM-DD format guests: Number of guests (default: 1) max_price: Maximum price per night in USD (optional)

Get day-by-day weather forecast for a destination over a date range.

Args: destination: City name (e.g. "Tokyo", "Bali", "Sydney") date_from: Start date in YYYY-MM-DD format date_to: End date in YYYY-MM-DD format

Search for points of interest in a destination.

Args: destination: City name (e.g. "Tokyo", "Barcelona", "Rome") category: Type of place — restaurants, attractions, activities, nightlife, shopping, or transport limit: Maximum number of results to return (default: 5)

Generate a complete day-by-day travel itinerary combining weather, attractions, dining, and travel options.

Args: destination: Travel destination city (e.g. "Tokyo", "Paris") start_date: Trip start date in YYYY-MM-DD format end_date: Trip end date in YYYY-MM-DD format origin: Departure city for flight search (e.g. "New York", "London") total_budget: Total trip budget in USD — enables budget planning and suggested allocation (optional) preferences: Comma-separated interests to tailor the itinerary (e.g. "food, history, beaches")

Create a budget tracker for a trip.

Args: trip_id: Unique identifier for the trip (e.g. "tokyo-oct-2024") total_budget: Total budget amount currency: Currency code (default: "USD")

Record an expense against a trip budget.

Args: trip_id: The trip identifier used when creating the budget category: Expense category — flights, hotels, food, activities, transport, shopping, or misc amount: Amount spent description: Brief description of the expense (e.g. "ANA flight JFK→NRT")

Get a full budget summary: total spent, remaining balance, and per-category breakdown.

Args: trip_id: The trip identifier used when creating the budget