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": "facebook_ad_copy", "description": "Generates a Facebook ad copy using AI based on the provided description and name.", "parameters": {"description": {"description": "The description to be used for generating the ad copy.", "type": "str", "default": "Apple designs, manufactures and markets smartphones, personal computers, tablets, wearables and accessories, and sells a variety of related services."}, "name": {"description": "The name to be used for generating the ad copy.", "type": "str", "default": "Apple"}}}, {"name": "getuserbyname", "description": "This function fetches user information by making an API call to a public API service.", "parameters": {"username": {"description": "The username to fetch details for.", "type": "str", "default": ""}}}]
Formulate an ad for a travel agency 'WanderlustAdventures' specializing in exotic destinations, and search for the user 'Globetrotter888'.
user
assistant
[{"name": "facebook_ad_copy", "arguments": {"description": "Embark on unforgettable journeys with Wanderlust Adventures, your gateway to exotic destinations.", "name": "WanderlustAdventures"}}, {"name": "getuserbyname", "arguments": {"username": "Globetrotter888"}}]