customer: Hi. 
 agent: Hello, how may I help you? 
 customer: Raymond Wilson here. Can you book a flight ticket from JFK to CLT? 
 agent: Sure, can you share your travel dates please? 
 customer: Sure, my travelling dates are 12/31 and 01/02. 
 agent: There is only a zero connection available. Can I book it? 
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 agent: Sorry presently there is no connecting flight. 
 customer: No problem, thank you. 
 agent: Thank you.
customer: I need a connecting flight.