Work with your GDS provider (Sabre, Amadeus, Travelport) to implement a fraud scoring system for travel agent IDs. Flag any agent that has a >10% no-show rate across family-sized bookings.
Once the payment is made, the scammer either cancels the booking, uses stolen credit cards that are later declined, or simply stops responding to the victim. Warning Signs of a GDS Booking Scam gds fake family
The belief that a close relative has been replaced by an identical-looking impostor (a "fake" family member). Misidentification: Work with your GDS provider (Sabre, Amadeus, Travelport)