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": "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"}}}]
I found this number: 18001234567. It looks like a business number. Can you validate it for me?
user
assistant
[{"name": "phone_number", "arguments": {"phone": "18001234567"}}]