I've often heard of such a company as Intellectsoft, as it is their direct specialisation. They are quite reputable, have many cases available
https://www.intellectsoft.net/blog/customer-service-in-hospitality-industry/ on their website, and have worked with well-known brands, so you can trust them. And most importantly, they understand all the nuances of hospitality and customer service, developing software solutions for travel and hospitality that allow entrepreneurs in this sector to optimise operations and improve the guest experience. So I'm sure this is exactly what you need.