customer: Hi. 
 agent: Hello, how can I help you? 
 customer: Can you help me to book a flight from DEN to JFK? 
 agent: Sure, please provide your travelling dates. 
 customer: My travelling dates are Mar 19 and 21. 
 agent: Ok, May I know your connection limit? 
 customer: I prefer connecting flight. 
 agent: Ok, Do you have any class preference? 
 __ 
 agent: Ok, please wait. 
 customer: Sure. 
 agent: Thank you for your time, No flights were found with your given details. 
 customer: No issues. 
 agent: May I know your good name? 
 customer: My name is Sarah Harris. Thank you for your information. 
 agent: Thank you for choosing us.
customer: No. I want to return at morning.