What the person should study and what to graduate to become professional Guest relation officer (guest service) in a hotel?

Dear yuliya  To be as proffessional you dont neeed studying you need experience from more hotels about how tomake aperfect service in world for example:    how to dealing with guest      I will give you Three rules about service :    Service culture standard.          Guest experiences.       Three golden habbits .. These l was learned from four seasons  they let you succed to be a proffessional.