Hi.
Hello, How can I assist you?
Please help me to book a flight ticket from OAK to IAD.
Sure, May I know the travelling dates?
My journey dates are from Oct, 23 to Oct, 25.
Do you have any connection limit?
I need  a single connecting flight.
Is there any other requirements?
No.
May I know your name?
Nancy Moore.
Sorry, No flights found with your chosen dates.
Thank you for your information.
Thank you for opting us.