customer: Hello. 
 agent: Hello, how may I aid you today? 
 customer: Please help me to book a flight ticket from DCA to IAD. 
 agent: Sure, can you please share your journey dates? 
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 agent: Are you looking for any preferred connections? 
 customer: I would prefer single connection. 
 agent: Do you have any other specifications to be met? 
 customer: No. 
 agent: Can I have your name to proceed further? 
 customer: Kenneth Brown here. 
 agent: We found a Delta airlines, flight number-1014 connections-1 class-economy and fare is 100. Shall I proceed with the booking? 
 customer: Please proceed. 
 agent: Sure, your ticket has been booked. 
 customer: Thank you. 
 agent: Thank you for opting us.
customer: Oct, 1 and Oct, 3 are my journey dates.