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": "user_search", "description": "Fetches Instagram users based on a given keyword.", "parameters": {"keyword": {"description": "The keyword to search for Instagram users.", "type": "str", "default": "insta"}}}]
Search for Instagram users with the keyword 'vegan recipes'.
user
assistant
[{"name": "user_search", "arguments": {"keyword": "vegan recipes"}}]