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": "history_prices", "description": "Fetches historical stock prices including Date, Open, High, Low, Close, Adj Close, and Volume for a given stock symbol over a specified range.", "parameters": {"range": {"description": "The time period for which to fetch stock prices. Choices are ['1y', '5y', 'max']. Defaults to '1y'.", "type": "str", "default": "1y"}, "symbol": {"description": "The ticker symbol of the company. Defaults to 'TSLA'.", "type": "str", "default": "TSLA"}}}]
I need the historical prices for Microsoft (MSFT) from 1 year ago to today.
user
assistant
[{"name": "history_prices", "arguments": {"symbol": "MSFT", "range": "1y"}}]