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": "get_6_month_historical_daily_prices", "description": "Retrieves 6 months of historical daily stock prices for the given ticker, including adjusted Open, High, Low, and Close prices, as well as Daily Volume, Dividend, and Split information.", "parameters": {"ticker": {"description": "The stock ticker symbol for which to retrieve the historical prices.", "type": "str", "default": "AAPL"}}}]
Provide the daily price history for Pfizer (PFE) from 6 months ago.
user
assistant
[{"name": "get_6_month_historical_daily_prices", "arguments": {"ticker": "PFE"}}]