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 OZOGS6AF when booking to enjoy our exclusive offers for stays up to 31 October 2016. Terms & Conditions: Booking period from now until 30th September, 2016. Staying period from now until 31st October, 2016. Other conditions may apply depending upon included properties.