/**
  * Set up our new type and fill out some basic info
  */
 public function __construct($product)
 {
     $this->product_type = 'accommodation-booking';
     parent::__construct($product);
     $this->wc_booking_duration_type = 'customer';
     $this->wc_booking_duration_unit = 'night';
     $this->wc_booking_duration = 1;
 }