customer: Hello. Myself Deborah Brown here. 
 agent: Hello, how can I assist you at this pleasant evening. 
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 agent: Ok, may I know your trip dates? 
 customer: My preferable dates are from 10/31 to 11/02. Please make sure that price is 200. 
 agent: I found a flight with name UA and flight number 1004 which matches with your flight details. 
 customer: Ok, please proceed with this flight. 
 agent: Ok, your ticket has been booked, you have to pay 100 as per booking charges. 
 customer: Thank you for your help. 
 agent: Thank you for contacting us.
customer: I want to travel from TX-DFW to DC-DCA, can you please help me to book a ticket?