Where can I travel? Can I change the blind box into a passenger?

You can't. According to the rules of the blind box activity of where to travel, in order to ensure the fairness and safety of the activity and prevent malicious reselling and brushing tickets, the same user is only allowed to buy 1 blind box air tickets during this activity, and the blind box air tickets are only for the purchaser's own use, and cannot be transferred, returned or exchanged for cash or other items. The blind box of air tickets is only for the buyer himself, and cannot be replaced by passengers.