customer: Hi, I am John Carter. 
 agent: Hello, how may I serve you? 
 customer: Can you please help me with booking a flight ticket from DCA to LAS? 
 agent: Sure, may I know your travelling dates? 
 customer: Travelling dates are 07/26 and 07/28. 
 agent: Do you need any stopover in between your journey? 
 customer: I need a single connection. 
 agent: There is a flight found with number 1000, Delta as airline and the cost of the ticket is 200. Shall I proceed? 
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 agent: Thanks for availing us. Your ticket is booked. 
 customer: Thanks for the help.
customer: You can proceed with booking.