customer: Hello. 
 agent: Hello, how may I serve you? 
 customer: I want to book a flight ticket from CLT to JFK. Could you help me in booking? 
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 customer: My travelling dates are from July 28 - 30. 
 agent: Do you have any preferences? 
 customer: I prefer for direct flight. 
 agent: May I know your name please? 
 customer: .Nicholas King. 
 agent: Sorry, there is no flight available with your requirements. 
 customer: That's ok, no problem. Thank you. 
 agent: You are welcome, have a nice day.
agent: Sure, I will help you. Please send your travelling dates.