Assist guests with check-out including, but not limited to, ensuring rooms and services are correctly accounted, using the point-of-sale system, handling money, processing credit and debit cards, accepting and recording various forms of payment, converting foreign currency, making change and processing gift certificates and cards . a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; }Steps away from Houston's prestigious Texas Medical Center, the world's largest medical complex, DoubleTree Houston Medical Center serves as a comforting home base for patients, families, traveling medical professionals, and university visitors from UTHealth and Rice.