Hi.
Hello, how can I help you today?
Please help me to book a flight ticket from OAK to PHL.
Sure, may I know your planned travel dates?
My journey dates are from Aug, 27 to Aug, 29.
May I know your connection limit?
I need  a direct flight to fly.
Is there any class preference for you?
No.
May I know your good name?
John Collins.
Sorry to say that, no flights were found with your given details.
Thank you for your information.
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