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": "api_whois", "description": "Fetch WHOIS data for a given IP address, host, or URL using the RapidAPI service.", "parameters": {"ip": {"description": "The IP address to query WHOIS information for. Defaults to '8.8.8.8'.", "type": "str, optional", "default": "8.8.8.8"}, "host": {"description": "The host name to query WHOIS information for. Defaults to 'google.com'.", "type": "str, optional", "default": "google.com"}, "url": {"description": "The URL to query WHOIS information for. Defaults to 'http://google.com'.", "type": "str, optional", "default": "http://google.com"}}}, {"name": "phone_number", "description": "Validates a given phone number using the Phone and Email Validator API from RapidAPI.", "parameters": {"phone": {"description": "The phone number to be validated in E164 format (e.g., '19542567890' for USA).", "type": "str", "default": "12345678900 for US"}}}]
Could you retrieve the WHOIS data for the host facebook.com and determine if the number 14165550123 is a valid Canadian number?
user
assistant
[{"name": "api_whois", "arguments": {"host": "facebook.com"}}, {"name": "phone_number", "arguments": {"phone": "14165550123"}}]