customer: Hello. My name is Raymond White. 
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 customer: I want to attend for a Columbus day in Dallas & Fort Worth, so please book a flight ticket from NV-LAS to TX-DFW. 
 agent: Sure, may I know your travelling dates? 
 customer: My departure day is 10/09, return day is 10/11. And my price limit is 200. 
 agent: There is a flight with airline:AA and flight number:1020 and price 200. Shall I proceed? 
 customer: Yes, please. 
 agent: Your ticket has been confirmed. 
 customer: Thanks for your good service. 
 agent: Thank you have a safe journey.
agent: Hello, how may I serve you?