Hello.
user
Hello, how can I help you?
assistant
I am planning to visit Washington, will you help me in booking the flight ticket from OAK to IAD?
user
Sure, let me know your travelling dates.
assistant
My preferable journey dates are Mar 23 and Mar 25.
user
Do you want connecting flight or direct flight?
assistant
I need a flight with single connection.
user
Do you have any other requirements?
assistant
No, I didn't have any other specifications.
user
May I know your name please?
assistant
Myself Lisa Lee.
user
Sorry, there are no flights found with your given details.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for opting us.
assistant