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': 'Movies_1_BuyMovieTickets', 'description': 'Purchase tickets for a specific movie showing, including the number of tickets, show date and time, and location. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['movie_name', 'number_of_tickets', 'location'], 'properties': {'movie_name': {'type': 'string', 'description': 'The title of the movie for which tickets are being purchased.'}, 'number_of_tickets': {'type': 'integer', 'description': 'The total number of tickets to be bought.'}, 'show_date': {'type': 'string', 'description': "The date on which the movie is showing, in the format 'YYYY-MM-DD'.", 'default': None}, 'location': {'type': 'string', 'description': "The city in which the movie theater is located, in the format of 'City, State', such as 'Los Angeles, CA'. State names must be abbreviated"}, 'show_time': {'type': 'string', 'description': "The start time of the movie showing, in 24-hour format 'HH:MM'.", 'default': '20:00'}, 'show_type': {'type': 'string', 'description': 'The format of the movie showing.', 'enum': ['regular', '3d', 'imax'], 'default': 'regular'}}}}, {'name': 'Movies_1_FindMovies', 'description': 'Search for movies based on location, genre, and show type at specific theaters. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['location'], 'properties': {'location': {'type': 'string', 'description': "The city where the theatre is located, in the format of 'City, State', such as 'Berkeley, CA' or 'New York, NY'."}, 'theater_name': {'type': 'string', 'description': 'The name of the theatre. If unspecified, all theatres are considered.', 'default': 'dontcare'}, 'genre': {'type': 'string', 'description': 'The genre of the movie. If unspecified, all genres are considered.', 'enum': ['World', 'Offbeat', 'Mystery', 'Supernatural', 'Horror', 'Animation', 'Sci-fi', 'Documentary', 'Drama', 'War', 'Family', 'Action'], 'default': 'dontcare'}, 'show_type': {'type': 'string', 'description': 'The type of movie show. If unspecified, all show types are considered.', 'enum': ['regular', '3d', 'imax'], 'default': 'dontcare'}}}}, {'name': 'Movies_1_GetTimesForMovie', 'description': 'Retrieves the show times for a specific movie at a particular theater location on a specified date. Note that the provided function is in Python 3 syntax.', 'parameters': {'type': 'dict', 'required': ['movie_name', 'location', 'show_date'], 'properties': {'movie_name': {'type': 'string', 'description': 'The title of the movie for which to find show times.'}, 'location': {'type': 'string', 'description': "The city and state where the theater is located, in the format of 'City, State', such as 'Berkeley, CA' and 'New York, NY'."}, 'show_date': {'type': 'string', 'description': "The date of the show in the format 'YYYY-MM-DD', for example, '2023-04-15'."}, 'theater_name': {'type': 'string', 'description': 'The name of the theater where the movie is showing. If not specified, any theater will be considered.', 'default': 'Any Theater'}, 'show_type': {'type': 'string', 'description': 'The format of the movie showing.', 'enum': ['regular', '3D', 'IMAX'], 'default': 'regular'}}}}]


user: Buy 4 tickets for 'Toy Story 4' in Los Angeles for the show on 2023-06-15 at 14:00?

Available functions:
[{"name": "Movies_1_BuyMovieTickets", "description": "Purchase tickets for a specific movie showing, including the number of tickets, show date and time, and location.", "parameters": {"type": "dict", "required": ["movie_name", "number_of_tickets", "location"], "properties": {"movie_name": {"type": "string", "description": "The title of the movie for which tickets are being purchased."}, "number_of_tickets": {"type": "integer", "description": "The total number of tickets to be bought."}, "show_date": {"type": "string", "description": "The date on which the movie is showing, in the format 'YYYY-MM-DD'.", "default": null}, "location": {"type": "string", "description": "The city in which the movie theater is located, in the format of 'City, State', such as 'Los Angeles, CA'. State names must be abbreviated"}, "show_time": {"type": "string", "description": "The start time of the movie showing, in 24-hour format 'HH:MM'.", "default": "20:00"}, "show_type": {"type": "string", "description": "The format of the movie showing.", "enum": ["regular", "3d", "imax"], "default": "regular"}}}}, {"name": "Movies_1_FindMovies", "description": "Search for movies based on location, genre, and show type at specific theaters.", "parameters": {"type": "dict", "required": ["location"], "properties": {"location": {"type": "string", "description": "The city where the theatre is located, in the format of 'City, State', such as 'Berkeley, CA' or 'New York, NY'."}, "theater_name": {"type": "string", "description": "The name of the theatre. If unspecified, all theatres are considered.", "default": "dontcare"}, "genre": {"type": "string", "description": "The genre of the movie. If unspecified, all genres are considered.", "enum": ["World", "Offbeat", "Mystery", "Supernatural", "Horror", "Animation", "Sci-fi", "Documentary", "Drama", "War", "Family", "Action"], "default": "dontcare"}, "show_type": {"type": "string", "description": "The type of movie show. If unspecified, all show types are considered.", "enum": ["regular", "3d", "imax"], "default": "dontcare"}}}}, {"name": "Movies_1_GetTimesForMovie", "description": "Retrieves the show times for a specific movie at a particular theater location on a specified date.", "parameters": {"type": "dict", "required": ["movie_name", "location", "show_date"], "properties": {"movie_name": {"type": "string", "description": "The title of the movie for which to find show times."}, "location": {"type": "string", "description": "The city and state where the theater is located, in the format of 'City, State', such as 'Berkeley, CA' and 'New York, NY'."}, "show_date": {"type": "string", "description": "The date of the show in the format 'YYYY-MM-DD', for example, '2023-04-15'."}, "theater_name": {"type": "string", "description": "The name of the theater where the movie is showing. If not specified, any theater will be considered.", "default": "Any Theater"}, "show_type": {"type": "string", "description": "The format of the movie showing.", "enum": ["regular", "3D", "IMAX"], "default": "regular"}}}}]

Ground-truth function call:
[{"Movies_1_BuyMovieTickets": {"movie_name": ["Toy Story 4"], "number_of_tickets": [4], "show_date": ["2023-06-15"], "location": ["Los Angeles, CA"], "show_time": ["14:00"], "show_type": ["", "regular"]}}]