싸웨 포인트 날짜 선택 후에 다음과 같은 메시지가 나오는데, 어떤 의미일까요?

The next lowest available fare(s) for the flights you selected are listed below. If you accept the new price, please select "Accept and Continue" to proceed. If not, select "Go back" to make new fare and flight selections. We sincerely apologize about the inconvenience.

For additional information about pricing issues which may be the cause of this message, please see more information about our fare combinability rulesopens new window.

If you continue to have difficulties, please contact a Southwest Airlines Customer Representative for assistance at 1-800-I-FLY-SWA (1-800-435-9792).

위와 같은 메시지가 뜨면, 제가 어떻게 해야 하나요?

시험 삼아 "Accept and Continue"를 눌러 봤는데, 검색한 포인트로 결제하는 창이 나왔습니다.

초보자인 저를 위해서 알기 쉽게 설명해 주실 분 계실까요?