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": "us_ca", "description": "Fetches current or historical gas price data for California.", "parameters": {"date": {"description": "Specific date for historical data in YYYY-MM-DD format. If not provided, the current gas price data is returned. Defaults to None.", "type": "str, optional", "default": ""}}}]
Fetch the gas prices for California on the day before and the day after Thanksgiving in 2021.
user
assistant
[{"name": "us_ca", "arguments": {"date": "2021-11-24"}}, {"name": "us_ca", "arguments": {"date": "2021-11-26"}}]