customer: Hello. 
 agent: Hello, how may I aid you today from my end? 
 customer: I would like to travel from PHX to PHL. Can you please help me? 
 agent: Sure, I am here to help you out. Please provide me your trip dates. 
 customer: My trip dates are from 04/14 to 04/16. 
 agent: May I know your name to proceed further? 
 customer: Myself Edward Nelson. 
 agent: Can you provide me your connection limit? 
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 agent: Sorry Edward Nelson, there is no flight in your route as per your request. Thank you for reaching us.
customer: I want a single connecting flight.