customer: Hello. 
 agent: Hello, how may I assist you? 
 customer: Could you search for a direct flight from OAK to ORD? 
 agent: Sure, May I know your travel dates please? 
 customer: My trip dates are 10/03 and 10/05. 
 agent: Ok, hold on for a moment. Let me check the best flight for you. 
 customer: Sure. 
 agent: May I know your name please? 
 customer: My name is Robert Lee. 
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 customer: No problem, thank you. 
 agent: Welcome, thank you for choosing us.
agent: Sorry Lee, there are no flights found on your requested dates.