customer: Hello. 
 agent: Hello. How can I assist you? 
 customer: Can you please help me to book a flight from LAS to PHL? 
 agent: Can I know your travelling dates? 
 customer: My travelling dates are on May 31st to June 2nd. 
 agent: Please let me know your connection limit? 
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 agent: Do you have any other preference? 
 customer: No. 
 agent: May I know your name please? 
 customer: Sure, my name is Ryan Anderson. 
 agent: Sorry, no flights available on your route. 
 customer: No issues, thank you. 
 agent: Thank you for reaching us.
customer: I prefer a single connection.