customer: Hello, Karen Scott here. 
 agent: Hello, how may I assist you? 
 customer: I would like to meet my college friends at Las Vegas, please help me in booking a ticket. 
 agent: Sure, provide me your location airport codes? 
 customer: My airport codes are from IAH to LAS. 
 agent: Please, share your travel dates? 
 customer: My planned dates are from 07/18 to 07/20. 
 agent: Please, wait a moment. 
 customer: Sure. 
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 customer: Ok, no issue. Thank you for your information. 
 agent: Welcome, thank you for reaching us.
agent: Sorry Scott, there is no flights with your request.