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": "behence", "description": "Check the availability of a given username on Behance using the Toolbench RapidAPI service.", "parameters": {"username": {"description": "The username to check for availability on Behance.", "type": "str", "default": "username"}}}]
Is the username 'creative_genius' available on Behance?
user
assistant
[{"name": "behence", "arguments": {"username": "creative_genius"}}]