customer: Hello, I am Michael Lee. 
 agent: Hello, how may I aid you? 
 customer: I would like to attend my Client Meeting in Charlotte, NC - CLT. Can you book a flight ticket from Las Vegas, NV - LAS? 
 agent: Sure, may I know your journey dates? 
 customer: My travel dates are from 01/13 to 01/15. 
 agent: Sorry, there are no flights currently available to your roue. 
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 agent: Thank you for reaching us.
customer: Thanks for your kind information.