customer: Hello, Pamela Baker here. 
 agent: Hello, how may I guide you? 
 customer: I would like to play poker at Las Vegas. Can you help me in booking a ticket from DCA to LAS? 
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 customer: My planned journey dates are 12/17 and 12/19. 
 agent: Please wait a moment. 
 customer: Ok, take your time. 
 agent: Pamela, no flights has been found on your journey dates. 
 customer: Its ok, thank you for the information. 
 agent: Thank you for reaching us.
agent: Sure, may I know your journey dates please?