A : Please give me two tickets for the concert.
   -콘서트 티켓 두장 주세요.

B : Sorry, they were sold out.
   -미안하지만 매진됐습니다.

A : I'm disappointed.
   -정말 실망이야

B : I know. We should've made reservations.
    -그러게 말야. 예약을 했어야 했는데.