The Hibiscus Spa at The Westin Las Vegas Hotel, Casino & Spa The following is an appointment request form. We cannot guarantee availability until your appointment has been confirmed by a spa representative via email. Responses to an appointment request will be answered within 24 hours. If you have any questions or if you would like to contact the spa via phone, please call us at (702) 836-5900. Spa Guest Name * Email Address * Phone Number * How would you prefer to be contacted?   Email    Phone  Spa Treatment or Service Requested * Preferred Date *     mm/dd/yyyy Preferred Time * Will you be a guest of the hotel at the time of your treatment? *   Yes    No  Hotel Stay Arrival Date     mm/dd/yyyy Hotel Stay Departure Date     mm/dd/yyyy Hotel Confirmation Number Promotional Code Additional Comments * = Input is required