Originally Posted by curbcrusher
you can now DING! your way into the reservation system (select an offer and move forward with either a round trip or one-way booking), back out by clicking "PLAN TRIP" and book the one-way in reverse, or even take advantage of offers not in your ten-city list.
This is a terrific trick. I just found an OAK-FLL Ding fare that was not on the advertised list. I also learned that if you select a city pair for which there is no Ding fare, you get the error message "Currently unable to get itinerary information."