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": "linearregintercept", "description": "Calculates the linear regression intercept for the specified symbol and interval using the specified parameters and the Twelve Data API.", "parameters": {"symbol": {"description": "The instrument symbol (e.g., equity, index, ETF, forex, or cryptocurrency) to calculate the intercept for.", "type": "str", "default": "AAPL"}, "interval": {"description": "The interval between two consecutive data points in the time series (e.g., `1min`, `5min`, `15min`, etc.).", "type": "str", "default": "1min"}, "series_type": {"description": "The type of series to consider (e.g., `open`, `high`, `low`, `close`). Default is `close`.", "type": "str, optional", "default": "close"}, "time_period": {"description": "The period of time over which to calculate the intercept. Default is 9.", "type": "int, optional", "default": 9}, "format": {"description": "The format of the returned data (`csv` or `json`). Default is `json`.", "type": "str, optional", "default": "json"}, "outputsize": {"description": "The number of data points to retrieve. Default is 30.", "type": "int, optional", "default": 30}}}]
Find the linear regression intercept for the stock prices of Apple Inc. (AAPL) and Microsoft Corporation (MSFT) over the past 15 minutes using the closing price.
user
assistant
[{"name": "linearregintercept", "arguments": {"symbol": "AAPL", "interval": "1min", "series_type": "close", "time_period": 15}}, {"name": "linearregintercept", "arguments": {"symbol": "MSFT", "interval": "1min", "series_type": "close", "time_period": 15}}]