Twice now there have been Ding fares for our travel dates from Columbus to Orlando..everytime I go to book the fares there is nothing available. Why does SWA post the fare when there is no availability on those planes during the time frame they are advertising??? There's seats available on those planes they told me just not at the Ding fare. I said well why publish the Ding fare then if you do not have those seats available?? So here we are with STILL no tickets and it's making me nervous...when should I panic and just buy the darn things at the higher price? We budgeted 250 round trip a person, so I think that was a decent budget but we may have to go over...way over budget now.