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": "shopify", "description": "Checks the availability of a given username on Shopify using the Toolbench RapidAPI.", "parameters": {"username": {"description": "The username to check for availability on Shopify.", "type": "str", "default": "username"}}}, {"name": "reddit", "description": "Checks if a given username is available on Reddit using the Toolbench RapidAPI service.", "parameters": {"username": {"description": "The Reddit username to check for availability.", "type": "str", "default": "username"}}}]
Is 'fitnessguru2023' available on Shopify for selling fitness equipment and on Reddit for a fitness advice community?
user
assistant
[{"name": "shopify", "arguments": {"username": "fitnessguru2023"}}, {"name": "reddit", "arguments": {"username": "fitnessguru2023"}}]