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": "highlights", "description": "Fetches the Instagram story highlights for a given username using the Toolbench RapidAPI service.", "parameters": {"username": {"description": "The Instagram username for which to fetch story highlights. Defaults to 'kimkardashian'.", "type": "str", "default": "kimkardashian"}}}]
I need the latest story highlights from Selena Gomez. Also, check if there are any new highlights from the default user 'kimkardashian'.
user
assistant
[{"name": "highlights", "arguments": {"username": "selenagomez"}}, {"name": "highlights", "arguments": {"username": "kimkardashian"}}]