customer: Hi. 
 agent: Hello. 
 customer: I am Catherine Collins. 
 agent: How may I provide assistance to you? 
 customer: Please book a flight ticket from Las Vegas, LAS to Denver, DEN. 
 agent: When you are planning to make your journey? 
 customer: My planned dates are from 07/07 to 07/09. 
 agent: Do you want to fly with economic class or business class? 
 customer: I am flexible to travel with any class. 
 agent: Please give me a moment, I will check the details of flight and let you know. 
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 agent: There is a flight available with price 300 and flight number is 1011 which matches your given information. Can I confirm your booking? 
 customer: Ok, You can proceed with booking. 
 agent: Your ticket has been confirmed. 
 customer: Thank you. 
 agent: Thank you for approaching us.
customer: Sure.