Dear Tran, Thank you and best regards from Grand Hyams Hotel Quy Nhon Beach! First of all, on behalf of the hotel staff, we would like to thank you for choosing the Grand Hyams Hotel brand as your accommodation and taking the time to leave your family's precious feelings during your recent stay. Regarding your unsatisfactory comments about your reservation, the hot air conditioner directly affected your stay. In addition, our goal is to improve our services and bring you a more satisfying experience. We appreciate your comments and hope to welcome you back for a more enjoyable stay in the future. Sincerely, Grand Hyams Hotel - Quy Nhon Beach Team!