http://csomod.com/forum/thread/21174-booking-com-usa-phone-chat-help-the-2025-ultimate-guide/
http://csomod.com/forum/thread/21169-expedia-u-s-customer-service-lines-a-step-by-step-guide-2025/
http://csomod.com/forum/thread/21181-booking-com-usa-hotline-numbers-ultimate-2025-help-resource/