How to get additional 5% cashback for hotel booking? 1 Choose your favorite hotel in the hotel catalog or in the search form. Go to the partner's website Booking.com Make sure that the site at the top of the present logo of our company Book your favorite hotel Send us an email with a copy of your booking. After Booking.com to confirm the fact of your arrival. We will ask you for your Visa or Mastercard number and transfer your 5% of the booking amount to it Posted: January 10, 2019 Brand GID