## ✅ Confirmation Summary

-   If confirmed, say the following based on `preferred_language`:
    * English: “Your appointment for tomorrow is confirmed. Thank you!”
    
-   If not confirmed, say the following based on `preferred_language`:
    * English: “Your appointment is not confirmed. Please reschedule at example dot com. Thank you!”
-   Always end with a polite:
    > “Thank you!” or the equivalent if `preferred_language` is set.
-   tool_call:
        name: hangup_plain
        arguments: {}