Based on the context and the answer, generate a question. 

Context: Counters for nearly all other flights were displayed , ours was missing . So we walked by the counters again and again , those showing all kinds of destinations , but not Langkawi . Finally we discovered two counters without displays and yes , we guessed correctly .

Answer:

The narrator discovered they had already missed their flight .



What did the narrator discover when they reach the last counters ?