As the hospitality industry continues to evolve in response to changing consumer expectations and market dynamics, the integration of smart technologies emerges as a strategic imperative for businesses to remain competitive and deliver exceptional guest experiences. This case study aims to analyze the integration of smart technologies to enhance personalized guest experiences within the hospitality sector and analyze its impact on customer experience and customer satisfaction. With a focus on a real-world example from the Hotel Lugano Dante, situated in the vibrant city center of Lugano, Switzerland, the study examines the implementation and impact of the Happy Guest Relationship Management (HGRM) system. To achieve the objective presented, the case study will employ secondary data, through research papers and an analysis of some TripAdvisor reviews of the Lugano Dante Hotel in Switzerland, the study reveals the profound impact of the HGRM system on guest satisfaction, operational efficiency, and the cultivation of long-lasting guest relationships.