RESMARK Systems | 1,755 followers on LinkedIn. More Bookings. Less Effort | RESMARK Systems is a marketing, reservation management, and back office platform that allows customers to book trips online day or night. Targeted to the needs of large or small tour operators, many of whom have complex product offerings, the system reduces labor costs while at the same time enabling reservationists to spend more time converting phone inquiries to sales. The system also features an automatic online lead generation program that includes automatic, personalized follow-up to every lead generated.