customer: Hello. 
 agent: Hello, how may I help you? 
 customer: Can you please help me in booking the flight ticket from LGA to IAD? 
 agent: Do you have any requirements? 
 customer: I prefer to travel in normal cost airlines with direct flight. 
 agent: Can you please share your travelling dates? 
 customer: My travel dates are 11/09 and 11/11. 
 agent: May I know your name? 
 customer: My name is Charles Phillips. 
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 customer: Ok, thank you for the information. 
 agent: Thank you for reaching us.
agent: Sorry to say, no flight is available for you.