Cancelles an confirmation

        :param confirmation_id: the confirmation id
        :return Response

def cancel_confirmation(self, confirmation_id):
        """
        Cancelles an confirmation

        :param confirmation_id: the confirmation id
        :return Response
        """
        return self._create_put_request(
            resource=CONFIRMATIONS,
            billomat_id=confirmation_id,
            command=CANCEL,
        )