customer: Hello. 
 agent: Hello. How can I assist you today? 
 customer: My name is Jeffrey Green. I want to go to Washington to meet my business partner, can you book a ticket to me? 
 agent: Sure, can you please share your travel dates? 
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 agent: Could you please help me with the airport codes? 
 customer: My airport codes are IAD and DCA. 
 agent: Let me check for the availability of flight. 
 customer: Ok, I will wait for your reply. 
 agent: Jeffrey, there is a flight available with price 300 and the connection is 1 with Delta airline. Would you like me to proceed with the booking? 
 customer: Ok, please book this ticket. 
 agent: Your booking is confirmed with 1012 flight number. 
 customer: Thank you for booking my ticket. 
 agent: Thank you for reaching us.
customer: Ok, my itinerary dates are 10/23 and 10/25.