(Translated by Google) I haven't tried it yet, but I made a reservation by mistake while looking into how to make a reservation before visiting. When I called to cancel, they kindly cancelled it for me in Korean.
(Original)
먹어보진않았지만 방문전에 어떻게 예약하나 보다가 실수로 예약했습니다 전화로 취소요청을 하니 한국어로 친절하게 취소해주셨어요