They ask you questions about your past experiences in previous employers, and if you work well under pressure. They primarily want to ensure that you are ready to work in such a fast pace work environment.
I applied online. The process took 1 week. I interviewed at HMSHost (Manchester, Engeland) in Sep 2022
Interview
Very easy, conversational and chatty- just understanding your personality. Most serious questions focused on my availability and whether or not I could do early mornings. The whole thing was pretty short and they offered me the job on the spot