"We have addressed the issues on the tips you have provided. Thank you for keeping us informed."
"I have notified the District Manager of the wait times in the Drive-Thru. We will be taking care of this. Thank you for letting us know."
"We are sorry for the slow service and are working on resolving the problem. Thank you for the comments we appreciate them."
"We are sorry to hear that and are taking care of the problem.Thank you."
"We have taken care of the situation. Thank you."
"We appreciate the feedback and will look into the service. Thank you:)"