바꿀 수 있을까요

could I change or exchange …?

→ 바꾸다
phrase Rare #25,223
could I change or exchange …? A polite way to ask whether you can change or exchange something. The object is usually clear from context.
KO: 예약 날짜를 바꿀 수 있을까요?
EN: Could I change the reservation date?