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": "billboard_global_excl_us", "description": "Fetches the Billboard Global Excl. US chart for a specified date using the RapidAPI service.", "parameters": {"date": {"description": "The date for which to retrieve the Billboard Global Excl. US chart, formatted as 'YYYY-MM-DD'. Available data starts from September 19, 2020.", "type": "str", "default": "2020-09-19"}}}]
I'm curious about the music trends on Halloween in 2020 and 2021. Can you fetch those charts?
user
assistant
[{"name": "billboard_global_excl_us", "arguments": {"date": "2020-10-31"}}, {"name": "billboard_global_excl_us", "arguments": {"date": "2021-10-31"}}]