VALUE(IV_FLDATE) TYPE SFLIGHT-FLDATE
VALUE(FLDATE) TYPE SFLIGHT-FLDATE OPTIONAL
VALUE(FLDATE) LIKE SFLIGHT-FLDATE OPTIONAL
VALUE(DATEFROM) TYPE SFLIGHT-FLDATE
VALUE(DATETO) TYPE SFLIGHT-FLDATE
VALUE(IV_FLDATE) LIKE SFLIGHT-FLDATE