Reserve Your Spot Now for Schlotzsky's Happy HourOn Sept. 28, from 6-8 p.m., Schlotzsky’s will be holding a happy hour, at which you can get free samples of their Sedona, California and Santa Fe chicken sandwiches. However, a limited number of spots are available for each restaurant and they are filling up fast. To reserve your spot and find your restaurant, go here. There are several locations in DFW that are participating.