customer: Hello. 
 agent: Hello. How can I help you? 
 customer: I am planning to visit CLT to attend business meeting, can you please help me in booking a flight ticket from HOU? 
 agent: Your trip dates please. 
 customer: My trip dates are May 6 and May 8. 
 agent: Do you have any connection limit? 
 customer: Yes, I need a connecting flight. 
 agent: Do you have any other preferences? 
 customer: Yes, I prefer to depart during evening and please look for an economy class. 
 agent: Your name please. 
 customer: Edward Martin here. 
 agent: Sorry to say that, there are no flights found with your details. 
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 agent: Thank you for reaching us.
customer: Not an issue, anyway thank you for checking.