customer: Hi. 
 agent: Hello, how may I aid you? 
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 agent: Sure, may I know your genesis and terminus airport codes? 
 customer: I am heading to PHL from DTW. 
 agent: Please share your itinerary dates. 
 customer: My trip dates are Sept 14 and Sept 16. 
 agent: Do you prefer a direct or connecting flight? 
 customer: I prefer a connecting flight. 
 agent: Do you have any specifications? 
 customer: No. 
 agent: May I know your name? 
 customer: My name is Kathleen Roberts. 
 agent: Sorry Kathleen Roberts, no flight is available as per your requirements. 
 customer: Not a problem, thank you for the information. 
 agent: Thank you for reaching us.
customer: Could you please check the flight availability in business class?