customer: Hi, I am Barbara Walker. 
 agent: Hello, how can I aid you? 
 customer:  I need a reservation to meet my project manager. Can you please book a ticket with a price limit of 500? 
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 customer: I intend to travel on 10/11 and return on 10/13. My travelling codes are Origin is EWR, and Destination is DCA. 
 agent: Do you have any connection limit? 
 customer: I prefer a connecting flight for my trip. 
 agent: Thanks for the information. We did not found any flights matching your criterion. 
 customer: Ok, not an issue. 
 agent: Thanks for opting us. 
 customer: Thank you for your information.
agent: Sure. Can you please provide travelling details?