You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "rental_availability", "description": "Fetches the availability information for a specific rental property using the given rental ID.", "parameters": {"rentalid": {"description": "The unique identifier of the rental property obtained from the Rental Search API in the Vacation Rentals collection.", "type": "str", "default": "VacationRentalReview-g60763-d24816619-Deluxe_Double_Queen_with_Balcony-New_York_City_New_York"}}}, {"name": "bus_trolley_routes", "description": "Fetches and returns the bus or trolley route stops information using the SEPTA API.", "parameters": {"req1": {"description": "The route number to fetch stops information for.", "type": "str", "default": "23"}}}, {"name": "get_city_by_filter", "description": "Fetches city data based on the given city ID through the RapidAPI service.", "parameters": {"is_id": {"description": "The city ID used to filter and retrieve city data.", "type": "int", "default": "1"}}}]
Fetch the city details for city ID '123' and the trolley stops for route '67'.
user
assistant
[{"name": "get_city_by_filter", "arguments": {"is_id": 123}}, {"name": "bus_trolley_routes", "arguments": {"req1": "67"}}]