HostReply is an innovative, cloud-based platform designed to assist short-term rental hosts and property managers by serving as an AI co-host and guest messaging hub. This tool seamlessly integrates with property management systems (PMS), allowing users to synchronize reservations, listing information, and communications all within a unified dashboard. By leveraging contextual booking information, house rules, property insights, and previous message histories, it crafts responses on PMS channels for hosts to easily review and send with a single click, while also highlighting inquiries that require human intervention. Guests can reach out through various platforms such as Airbnb, Booking.com, email, and WhatsApp, with the capability to receive replies in 32 different languages, including translation features for ongoing conversations. Additionally, the Sales Agent function provides eligible guests with the option to extend their stay for available nights, adhering to pricing guidelines set by the host. The beta version of Host AI is equipped to respond to queries regarding bookings, arrivals, and guest specifics. Furthermore, the Pro plan facilitates the generation of Nuki smart-lock codes for each booking, and compatibility with heating systems allows for temperature adjustments. Overall, HostReply serves as a comprehensive solution for vacation rental operators, enhancing their ability to manage guest interactions and streamline associated tasks in conjunction with their PMS. In essence, it brings together multiple functionalities to improve operational efficiency and guest satisfaction in the rental space.