limit rooms available for any Reward at any participating hotel or otherwise restrict the continued availability of Rewards; d) change program benefits, travel partners, locations served by the Company or its travel partners, conditions of participation, rules for earning, redeeming, retaining or forfeiting Points or Miles, or rules governing the use of Rewards; e) change or cancel its travel partner Rewards. In accumulating Points or Miles, Members may not rely upon the continued availability of any Reward or Reward level, category or tier.