Sonic Drive-In

My husband and I have visited the Sonic in Mulvane, Kansas 3 weeks in a row on Sunday and they have been out of ice cream. I am understanding, but 3 weeks in a row seems to be a poor replenishment manager. I feel bad for the workers that have to constantly deliver this message. Ice cream in summertime at Sonic should be a given. This is extremely disappointing as we like to support our small town and I work for a company that deals in food and customer service and know this should be easy enough to resolve.