One of the greatest pleasures is catching people trying to use tickets they've already used.

Although air travel started to grow again last year, it was mostly among passengers using discounted tickets and sitting in the economy section.

On the day, students and their parents can buy food from all over Europe using tickets, play games, and buy second hand books.

Doing so would serve the public interest, he said, because if Eastern returns to the skies thousands of passengers could use tickets now considered worthless.

Customers who previously had been paying full price, became more aware of the savings on using 'Back' tickets.

They have used tickets to their games as incentives to get children to read and to collect food for the needy.

Others said the carrier was making it difficult to use tickets on other airlines, by not canceling their reservations.

American is trying to persuade passengers to use electronic tickets by charging an extra $20 for paper ones.

That's because passengers are being caught using tickets issued to another person.

No compensation was offered to passengers using weekly, daily or other tickets.