def classify_intent(text):
    """
    Classifies the intent based on keyword matching (simple rule-based approach).
    """
    text_lower = text.lower()

    if any(word in text_lower for word in ["urgent", "emergency", "immediate", "asap", "critical"]):
        return "urgent medical need"
    if any(word in text_lower for word in ["appointment", "schedule", "book a visit", "doctor visit"]):
        return "non-urgent appointment"
    if any(word in text_lower for word in ["billing", "charge", "invoice", "cost"]):
        return "billing inquiry"
    if any(word in text_lower for word in ["insurance", "coverage", "policy"]):
        return "insurance information"
    if any(word in text_lower for word in ["pain", "health issue", "fever", "symptom", "sick"]):
        return "medical advice"

    return "general inquiry"


if __name__ == "__main__":
    sample_text = "I need to book an appointment for my uncle who is feeling sick."
    print(f"Intent: {classify_intent(sample_text)}")