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": "calculate_age", "description": "Calculates the age based on the birthdate.", "parameters": {"birthdate": {"description": "The birthdate in the format 'YYYY-MM-DD'.", "type": "str"}}}, {"name": "find_files", "description": "Finds all files with a specific extension in a directory and its subdirectories.", "parameters": {"directory": {"description": "The directory to search in.", "type": "str"}, "extension": {"description": "The file extension to search for.", "type": "str"}}}]
Determine the age of a person born on February 29, 2004, and locate all .pdf files in '/Documents/Work'.
user
assistant
[{"name": "calculate_age", "arguments": {"birthdate": "2004-02-29"}}, {"name": "find_files", "arguments": {"directory": "/Documents/Work", "extension": ".pdf"}}]