public function getStatusLabelAttribute()
    {
        $labels = [
            Self::STATUS_RESERVED  => 'reserved',
            Self::STATUS_CONFIRMED => 'confirmed',
            Self::STATUS_CANCELED  => 'canceled',
            Self::STATUS_SERVED    => 'served',
            ];

        return array_key_exists($this->status, $labels)
            ? $labels[$this->status]
            : '';
    }