customer: Hello. 
 agent: Hello. How may I help you? 
 customer: Can you please help me in booking my flight ticket from JFK to PHL? 
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 customer: My trip dates will be June 2nd and June 4th. 
 agent: Ok, let me know your connection limit. 
 customer: I need a connecting flight. 
 agent: Do you have any other preferences. 
 customer: I prefer a economy flight which should depart in the afternoon. 
 agent: May I know your name in the meanwhile? 
 customer: I am Anthony Campbell. 
 agent: Sorry, no flight is available for you on your route. 
 customer: Its ok, thank you. 
 agent: Thanks for choosing us.
agent: I am happy to help you, may I know your travel dates?