customer: Hello,. 
 agent: Hello, how may I help you today? 
 customer: I am Shirley Allen. 
 agent: Ok. 
 customer: I want to fly from DEN to DFW to meet my friend, can you please help me to book a flight ticket? 
 agent: Sure, we are here to help you. On which dates would you like me to book a flight ticket for you? 
 customer: Sure, the trip dates are 07/12 to 07/14. 
 agent: Do you have any specifications? 
 customer: I need a halt. My price is 200. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions. 
 __ 
 agent: Thank you for opting us.
customer: Ok, not an issue. Thank you for your information.