customer: Hello. 
 agent: Hello. 
 customer: Frank Johnson here. 
 agent: Frank, how can I help you today? 
 customer: I need to attend a live event in Washington.Can you help me to reach DCA on 12/11? 
 agent: Sure, I can help you. Can you provide me your source airport code and return date from DCA? 
 customer: I want to travel from LAS and return date is on 12/13. 
 agent: Please wait, let me check for the available flights. 
 customer: I want to have a 1 connection limit. Sure, take your time. 
 agent: As per your requirements, there is a flight in Delta airlines with 1 connection, shall I proceed with booking your ticket? 
 customer: Yes, can I know the fare? 
 agent: Ticket costs you 100. 
 customer: Ok, proceed to booking. 
 agent: You ticket is confirmed successfully with the flight number 1000, have a nice journey. 
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 agent: Thank you for contacting us, take care.
customer: Thank you for your help.