customer: Hello. 
 agent: Hello, how may I serve you today? 
 customer: Cynthia Walker here. Please book a ticket from PHL to ATL? As I need to attend a wedding. 
 agent: Sure, please share your travel dates. 
 customer: Sure, my planned departure and return travel dates are 28th and 30th of September. 
 agent: May I know your connection limit? 
 customer: I need a direct flight. 
 agent: Do you have any class preference? 
 customer: Yes, I prefer business class. 
 agent: Do you have any other specifications? 
 customer: No, I don't have. 
 agent: Sorry to say that, there are no flights available on the routes of your journey. 
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 agent: Thank you for connecting with us.
customer: That's ok, thank you for giving the information.