system: 
You are an expert in composing functions. You are given a question and a set of possible functions.
Based on the question, you will need to make one or more function/tool calls to achieve the purpose.
If none of the function can be used, point it out. If the given question lacks the parameters required by the function,
also point it out. You should only return the function call in tools call sections.

If you decide to invoke any of the function(s), you MUST put it in the format of [func_name1(params_name1=params_value1, params_name2=params_value2...), func_name2(params)]

You SHOULD NOT include any other text in the response.

Here is a list of functions in JSON format that you can invoke.

[{'name': 'Events_3_FindEvents', 'description': 'Find cultural events such as concerts and plays happening in a specified city on a particular date or any upcoming date if the date is unspecified. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['event_type', 'city'], 'properties': {'event_type': {'type': 'string', 'description': 'The category of the cultural event to find.', 'enum': ['Music', 'Theater']}, 'city': {'type': 'string', 'description': "The city in which the search for events is to be conducted, in the format of 'City, State' (e.g., 'San Francisco, CA')."}, 'date': {'type': 'string', 'description': "The date for which to find events, formatted as 'MM/DD/YYYY'. If left as 'dontcare', the search will include all upcoming events.", 'default': 'dontcare'}}}}, {'name': 'Events_3_BuyEventTickets', 'description': 'Purchase tickets for a specified cultural event on a particular date in a designated city. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['event_name', 'number_of_tickets', 'date', 'city'], 'properties': {'event_name': {'type': 'string', 'description': "The exact title of the artist's performance or play for which tickets are being purchased."}, 'number_of_tickets': {'type': 'integer', 'description': 'The quantity of tickets to book for the event.'}, 'date': {'type': 'string', 'description': "The scheduled date of the event, in the format 'MM/DD/YYYY'."}, 'city': {'type': 'string', 'description': "The city where the event will take place, formatted as 'City, State', such as 'Los Angeles, CA' or 'New York, NY'."}}}}, {'name': 'RentalCars_3_GetCarsAvailable', 'description': 'Retrieve a list of available rental cars based on the specified location and rental period. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['city', 'start_date', 'pickup_time', 'end_date'], 'properties': {'city': {'type': 'string', 'description': "The city in which the rental car will be picked up, such as 'Los Angeles, CA'."}, 'start_date': {'type': 'string', 'description': "The start date for the rental period, in the format 'YYYY-MM-DD'."}, 'pickup_time': {'type': 'string', 'description': "The pickup time on the start date, in 24-hour format 'HH:MM'."}, 'end_date': {'type': 'string', 'description': "The end date for the rental period, in the format 'YYYY-MM-DD'."}, 'car_type': {'type': 'string', 'description': 'The preferred type of rental car.', 'enum': ['Hatchback', 'Sedan', 'SUV', 'dontcare'], 'default': 'dontcare'}}}}, {'name': 'RentalCars_3_ReserveCar', 'description': 'This function makes a reservation for a rental car, specifying pickup location, time, car type, and insurance options. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['pickup_location', 'start_date', 'pickup_time', 'end_date', 'car_type', 'add_insurance'], 'properties': {'pickup_location': {'type': 'string', 'description': "The location where the car will be picked up, in the format of 'City, State', such as 'San Francisco, CA'."}, 'start_date': {'type': 'string', 'description': "The start date for the car rental in the format 'MM/DD/YYYY'."}, 'pickup_time': {'type': 'string', 'description': "The time for picking up the car in the format 'HH:MM AM/PM'."}, 'end_date': {'type': 'string', 'description': "The end date for returning the rental car, in the format 'MM/DD/YYYY'."}, 'car_type': {'type': 'string', 'description': 'The desired type of rental car.', 'enum': ['Hatchback', 'Sedan', 'SUV']}, 'add_insurance': {'type': 'boolean', 'description': 'Indicates whether additional insurance is to be purchased. True to add insurance, False otherwise.'}}}}]


user: I'm planning a trip to Los Angeles and need to rent a car. I'll be getting the car on April 8th 2023 hopefully at 10 in the morning time and returning it on April 10th. 

Available functions:
[{"name": "Events_3_FindEvents", "description": "Find cultural events such as concerts and plays happening in a specified city on a particular date or any upcoming date if the date is unspecified.", "parameters": {"type": "dict", "required": ["event_type", "city"], "properties": {"event_type": {"type": "string", "description": "The category of the cultural event to find.", "enum": ["Music", "Theater"]}, "city": {"type": "string", "description": "The city in which the search for events is to be conducted, in the format of 'City, State' (e.g., 'San Francisco, CA')."}, "date": {"type": "string", "description": "The date for which to find events, formatted as 'MM/DD/YYYY'. If left as 'dontcare', the search will include all upcoming events.", "default": "dontcare"}}}}, {"name": "Events_3_BuyEventTickets", "description": "Purchase tickets for a specified cultural event on a particular date in a designated city.", "parameters": {"type": "dict", "required": ["event_name", "number_of_tickets", "date", "city"], "properties": {"event_name": {"type": "string", "description": "The exact title of the artist's performance or play for which tickets are being purchased."}, "number_of_tickets": {"type": "integer", "description": "The quantity of tickets to book for the event."}, "date": {"type": "string", "description": "The scheduled date of the event, in the format 'MM/DD/YYYY'."}, "city": {"type": "string", "description": "The city where the event will take place, formatted as 'City, State', such as 'Los Angeles, CA' or 'New York, NY'."}}}}, {"name": "RentalCars_3_GetCarsAvailable", "description": "Retrieve a list of available rental cars based on the specified location and rental period.", "parameters": {"type": "dict", "required": ["city", "start_date", "pickup_time", "end_date"], "properties": {"city": {"type": "string", "description": "The city in which the rental car will be picked up, such as 'Los Angeles, CA'."}, "start_date": {"type": "string", "description": "The start date for the rental period, in the format 'YYYY-MM-DD'."}, "pickup_time": {"type": "string", "description": "The pickup time on the start date, in 24-hour format 'HH:MM'."}, "end_date": {"type": "string", "description": "The end date for the rental period, in the format 'YYYY-MM-DD'."}, "car_type": {"type": "string", "description": "The preferred type of rental car.", "enum": ["Hatchback", "Sedan", "SUV", "dontcare"], "default": "dontcare"}}}}, {"name": "RentalCars_3_ReserveCar", "description": "This function makes a reservation for a rental car, specifying pickup location, time, car type, and insurance options.", "parameters": {"type": "dict", "required": ["pickup_location", "start_date", "pickup_time", "end_date", "car_type", "add_insurance"], "properties": {"pickup_location": {"type": "string", "description": "The location where the car will be picked up, in the format of 'City, State', such as 'San Francisco, CA'."}, "start_date": {"type": "string", "description": "The start date for the car rental in the format 'MM/DD/YYYY'."}, "pickup_time": {"type": "string", "description": "The time for picking up the car in the format 'HH:MM AM/PM'."}, "end_date": {"type": "string", "description": "The end date for returning the rental car, in the format 'MM/DD/YYYY'."}, "car_type": {"type": "string", "description": "The desired type of rental car.", "enum": ["Hatchback", "Sedan", "SUV"]}, "add_insurance": {"type": "boolean", "description": "Indicates whether additional insurance is to be purchased. True to add insurance, False otherwise."}}}}]

Ground-truth function call:
[{"RentalCars_3_GetCarsAvailable": {"city": ["Los Angeles, CA"], "start_date": ["2023-04-08"], "pickup_time": ["10:00"], "end_date": ["2023-04-10"], "car_type": ["", "dontcare"]}}]