Hello.
user
Hello, how can I aid you?
assistant
I want to book a flight ticket from OAk to IAD. Could you help me in booking?
user
Sure, can you share your trip dates?
assistant
My travelling dates are from May 07 - 09.
user
Do you have any specifications?
assistant
I prefer for direct flight in normal-cost airline.
user
May I know your name?
assistant
John Clark.
user
Sorry, there is no direct flight on your given dates.
assistant
That's ok, thank you.
user
Thank you for reaching us.
assistant