customer: Hello. 
 agent: Hello. 
 customer: I am Mary Moore. 
 agent: How may I aid you today? 
 customer: Can you book a flight ticket from IAD to DCA? 
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 customer: Apr, 24 and Apr, 26 are my travel dates. 
 agent: Do you have any specific depart and arrival timings? 
 customer: My return time should be at afternoon. 
 agent: Ok, is there any class preference? 
 customer: No. 
 agent: May I know your connection limit? 
 customer: I need single connection. 
 agent: Do you need any other specifications? 
 customer: No. 
 agent: Southwest airlines is providing connecting flight with the ticket fare of 200 and depart time is 12:00 PM, arrival time is 15:00 PM. Shall I proceed? 
 customer: Please proceed. 
 agent: Your ticket has been confirmed by flight number 1000 and an economy class. 
 customer: Thank you. 
 agent: Thanks for choosing us.
agent: Sure, let me know your travel dates please?