OZO Hotels : Save up to 20% Off on Bookings by ONYX Hospitality. OZO brings you chic hotels with an experience that’s all about your must haves: perfect sleep, free WiFi, breakfast on the go, being amid all the action and seeing a side of Asia you’ve never seen before. Use Promo Code when booking to enjoy the exclusive offers for stays up to 30th April, 2016. Terms & Conditions: Booking period from now until 31st March, 2016 Staying period from now until 30th April, 2016 Subject to availability. Book Now.