customer: Hello. I am Ronald Moore. 
 agent: Hello. How can I help you? 
 customer: I would like to book a flight ticket from EWR, can you please help me in booking a flight ticket to DEN? 
 agent: Yes, I am here to help you. Could you please provide your planned dates of journey? 
 customer: My travelling dates are Nov 19th and Nov 21st. 
 agent: Do you have any connection preference? 
 customer: Yes, I need a single connection. 
 agent: Please share your class preference. 
 customer: No, I don't have any class preference. 
 agent: Do you have any other specifications on your trip? 
 customer: The return time should be evening. 
 agent:     Please stand by. 
 customer: Sure. 
 agent: Sorry to say, there are no flights available for your desired dates. 
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 agent: Thank you for reaching us, have a good day.
customer: Ok, not an issue. Thank you.