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": "remove_duplicates", "description": "Removes duplicate elements from a list while preserving the order.", "parameters": {"lst": {"description": "The input list.", "type": "List"}}}, {"name": "find_files", "description": "Finds all files with a specific extension in a directory and its subdirectories.", "parameters": {"directory": {"description": "The directory to search in.", "type": "str"}, "extension": {"description": "The file extension to search for.", "type": "str"}}}, {"name": "generate_password", "description": "Generates a random password of specified length and character types.", "parameters": {"length": {"description": "The length of the password. Defaults to 12.", "type": "int, optional", "default": 12}, "include_special": {"description": "Whether to include special characters in the password. Defaults to True.", "type": "bool, optional", "default": true}}}, {"name": "is_subset", "description": "Checks if one set is a subset of another set.", "parameters": {"set1": {"description": "The first set.", "type": "set"}, "set2": {"description": "The second set.", "type": "set"}}}, {"name": "flatten_list", "description": "Flattens a nested list into a single-level list.", "parameters": {"nested_list": {"description": "The nested list to be flattened.", "type": "List"}}}, {"name": "get_range", "description": "Helper function to format the range string.", "parameters": {"start": {"description": "The start of the range.", "type": "int"}, "end": {"description": "The end of the range.", "type": "int"}}}, {"name": "split_list", "description": "Splits a list into chunks of a specified size.", "parameters": {"lst": {"description": "The input list.", "type": "List"}, "chunk_size": {"description": "The size of each chunk.", "type": "int"}}}]
Find all .txt files in the directory '/home/user/documents' and its subdirectories.
user
assistant
[{"name": "find_files", "arguments": {"directory": "/home/user/documents", "extension": ".txt"}}]