Free parking ticket in gurney.

Actually want go pasar malam with fly, but its raining and go to gurney popular buy smething. Afterthat go outside howker store eat laksa. after finish and go to pay the ticket, we found another ticket is leave on the mechine and try to use the paid ticket.Wah....its really a useful ticket ,it bring us to go out from the parking area..........help us to save the parking fee.