Hello.
user
Hello, how can I help you?
assistant
Can you please help me in booking the flight ticket from OAK to IAD?
user
Sure, let me know your travelling dates.
assistant
My travel dates are July 28 and 30.
user
Do you want connecting flight or direct flight?
assistant
I need a single connection flight.
user
Do you have any other specifications?
assistant
I prefer to travel in economy class.
user
May I know your name please?
assistant
Edward Green.
user
Ok, please wait for a while.
assistant
Ok.
user
Sorry, there are no flights found with your given details.
assistant
Ok, thank you for the information.
user
Thank you for opting us.
assistant