diff --git a/src/main/kotlin/roomescape/reservation/web/ReservationResponse.kt b/src/main/kotlin/roomescape/reservation/web/ReservationResponse.kt
index 0e13e670..2318c9c6 100644
--- a/src/main/kotlin/roomescape/reservation/web/ReservationResponse.kt
+++ b/src/main/kotlin/roomescape/reservation/web/ReservationResponse.kt
@@ -57,6 +57,8 @@ data class MyReservationRetrieveListResponse(
     val reservations: List<MyReservationRetrieveResponse>
 )
 
+fun List<MyReservationRetrieveResponse>.toRetrieveListResponse() = MyReservationRetrieveListResponse(this)
+
 data class ReservationRetrieveResponse(
     val id: Long,
     val date: LocalDate,
@@ -85,3 +87,7 @@ fun ReservationEntity.toRetrieveResponse(): ReservationRetrieveResponse = Reserv
 data class ReservationRetrieveListResponse(
     val reservations: List<ReservationRetrieveResponse>
 )
+
+fun List<ReservationEntity>.toRetrieveListResponse()= ReservationRetrieveListResponse(
+    this.map { it.toRetrieveResponse() }
+)