customer: Hello, I am George Baker. 
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 customer: I would like to attend a meeting with my client at Washington, IAD. Can you please help me in booking on 12/14 and 12/16? 
 agent: Sure, may I know your source airport? 
 customer: My source point is Denver, DEN. 
 agent: Let me know your connection limit. 
 customer: I need a connected flight. 
 agent: Sorry, no flights found with your given dates. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for choosing us.
agent: Hello, how can I aid you?