Hello, I am David Roberts.
Hello, How can I help you?
I need to attend a science festival and present my research at Washington, DC-DCA.
Sure, May I know the source code?
Sure, my source airport code is from Philadelphia, PA-PHL.
Please help me with your travel dates.
Sure, my departure is on 09/23 and arrival is on 09/25.
Please wait a moment.
Sure.
Sorry, No flights found with your preferable dates.
No problem, I will choose another alternative to reach my destination. Thank you for the information.
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