customer: Hi. 
 agent: Hello, how can I assist you? 
 customer: I would like to book a ticket from ORD to DFW, can you please help me with that? 
 agent: Sure, may I know the travelling dates? 
 customer: The travel dates are from 05/14 to 05/16. 
 agent: Do you have any connection limit? 
 customer: I need a flight with 1 connection limit. 
 agent: Is there any other requirements? 
 customer: No. 
 agent: May I know your name? 
 customer: Larry Green here. 
 __ 
 customer: That's ok, thank you for your help. 
 agent: Thank you for opting us.
agent: Sorry, no flights found with your chosen dates.