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": "retrieve_audio_file", "description": "Retrieve an audio file in MP3 format from a previously submitted text-to-speech conversion.", "parameters": {"transactionid": {"description": "The transaction ID for the previously submitted text-to-speech conversion.", "type": "str", "default": "string"}}}, {"name": "contacts", "description": "Fetches the contacts list from a specified WhatsApp instance using the Maytapi API.", "parameters": {"phone_id": {"description": "The unique identifier for the phone instance in the Maytapi WhatsApp service.", "type": "str", "default": ""}}}, {"name": "article_index", "description": "Fetches an indexed list of articles from the RapidAPI endpoint with an optional limit on the number of articles returned.", "parameters": {"limit": {"description": "The maximum number of articles to return. Defaults to 1.", "type": "int, optional", "default": "1"}}}, {"name": "user_login", "description": "Logs in a user with the given username and password, and returns a JSON object containing the account's session key.", "parameters": {"username": {"description": "Username for the user account. For US domestic users, this should be a 10-digit number. For international users, use the full E.164 format (e.g., US: 5555555555, E.164: +1155555555555).", "type": "str", "default": ""}, "password": {"description": "Password associated with the username.", "type": "str", "default": ""}}}]
Can you get the audio files for transactions '24680' and '13579'? Also, retrieve the contacts for phone ID '0987654321'.
user
assistant
[{"name": "retrieve_audio_file", "arguments": {"transactionid": "24680"}}, {"name": "retrieve_audio_file", "arguments": {"transactionid": "13579"}}, {"name": "contacts", "arguments": {"phone_id": "0987654321"}}]