customer: Hello. 
 agent: Hello, how can I assist you? 
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 agent: Sure, I will assist you in ticket booking. Please provide your travel dates and price limit? 
 customer: My travelling dates are from 07/04 to 07/06. My price limit should not exceed with 200. 
 agent: Ok, let me know your source and destination point? 
 customer: It is an round trip, my source and destination is Las Vegas, NV - LAS. 
 agent: Ok. Sorry to inform you that there was no flights found on your dates. 
 customer: Ok, no issue. Thanks for your quick response. 
 agent: Thank you for opting us, have a good day.
customer: I am Charles Williams. I need a direct flight to visit a The Mirage Restaurant in Las Vegas, can you assist me for booking a flight ticket?