def reset_participant(self, participant_type):
        """Reset the state for a specific participant type.

        Args:
            participant_type: Type of participant (e.g., "operator", "customer", "bot")
        """
        if participant_type in self.session_ids:
            self.session_ids[participant_type] = None

            if participant_type in self.session_id_refs:
                self.session_id_refs[participant_type][0] = None

            # Additional reset actions for specific participant types
            if participant_type == "operator":
                self.call_flow_state.set_operator_disconnected()
Reset the state for a specific participant type.

        Args:
            participant_type: Type of participant (e.g., "operator", "customer", "bot")
        
examples/phone-chatbot/daily-pstn-call-transfer/bot.py