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": "read_user", "description": "Fetch user details from the IronWifi API using the provided user ID.", "parameters": {"user_id": {"description": "The ID of the user to be fetched.", "type": "str", "default": ""}}}, {"name": "convert_url_to_image", "description": "Converts a URL to an image by making a GET request to the Cloudlayer.io API.", "parameters": {"url": {"description": "The URL to be converted to an image.", "type": "str", "default": "https://google.com"}, "timeout": {"description": "The request timeout in milliseconds. Defaults to None.", "type": "int, optional", "default": ""}}}]
Fetch the details for the user with ID 'user789' and convert their profile picture URL 'https://example.com/user789_profile' to an image.
user
assistant
[{"name": "read_user", "arguments": {"user_id": "user789"}}, {"name": "convert_url_to_image", "arguments": {"url": "https://example.com/user789_profile"}}]