method SEARCH_BOOKINGS.
REFRESH et_results.
IF iv_string IS NOT INITIAL.
SELECT GUEST_ID HOTEL_NAME LASTCHECKIN
FROM ZBOOKING_RESERV
UP TO iv_max_hits ROWS
INTO CORRESPONDING FIELDS OF TABLE et_results
WHERE (iv_string).
ELSE.
SELECT GUEST_ID HOTEL_NAME LASTCHECKIN
FROM ZBOOKING_RESERV
UP TO iv_max_hits ROWS
INTO CORRESPONDING FIELDS OF TABLE et_results.
ENDIF.
endmethod.