[{"name": "generate_invoice", "description": "Generate an invoice for a customer", "parameters": {"type": "object", "properties": {"customer_name": {"type": "string", "description": "The name of the customer"}, "amount_due": {"type": "number", "description": "The amount due for the invoice"}, "due_date": {"type": "string", "format": "date", "description": "The due date of the invoice"}}, "required": ["customer_name", "amount_due", "due_date"]}}]
user
I need to generate an invoice for a customer named John Doe. The amount due is $500 and the due date is 2022-05-30.
assistant
function
generate_invoice
{"customer_name": "John Doe", "amount_due": 500, "due_date": "2022-05-30"}
tool
{"status": "success", "message": "Invoice generated successfully for customer John Doe. Amount due is $500 with a due date of 2022-05-30."}
generate_invoice
assistant
<think>Based on the tool's response, the invoice has been successfully generated for John Doe with the specified amount and due date. The assistant should confirm this to the user.</think>

The invoice for John Doe has been successfully generated. The amount due is $500, and the due date is 2022-05-30. Let me know if you need anything else!