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": "getpetbyid", "description": "Fetch and return details of a pet using the given pet ID from the API.", "parameters": {"petid": {"description": "The ID of the pet to be retrieved.", "type": "int", "default": ""}}}, {"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": "Fetches user information from the Petstore Blitz API based on the provided username.", "parameters": {"username": {"description": "The name of the user to fetch information for.", "type": "str", "default": ""}}}, {"name": "getuserbyname", "description": "Fetches user information by username.", "parameters": {"username": {"description": "The name of the user that needs to be fetched.", "type": "str", "default": "string"}}}]
Generate a Facebook ad copy using the description 'Our service is top-notch' and name 'Top Service'. Also, get the user information for the users with usernames 'alice' and 'bob'.
user
assistant
[{"name": "facebook_ad_copy", "arguments": {"description": "Our service is top-notch", "name": "Top Service"}}, {"name": "getuserbyname", "arguments": {"username": "alice"}}, {"name": "getuserbyname", "arguments": {"username": "bob"}}]