Priceline has partnered with OpenAI to create Penny Voice, an AI voice assistant for booking trips.Penny Voice leverages GPT-4o and Advanced Voice Mode to provide natural, conversational speech and personalized recommendations.Initially focused on hotel reservations, Penny Voice will expand to include flights, rental cars, and vacation packages.Penny Voice can understand requests in over 120 languages and aims to enhance the booking experience for Priceline customers.