Hi.
user
Hello, how may I help you?
assistant
I want to book a flight ticket from OAK to DCA. Can you help me in that?
user
Sure, may I know your planned travel dates?
assistant
My trip dates are Apr 3 to Apr 5.
user
Do you want connecting flight?
assistant
I need a connecting flight.
user
Do you have any other requirements?
assistant
My depart time should be in the evening.
user
May I know your name please?
assistant
Myself George Miller.
user
Sorry, there are no flights found with your given details.
assistant
Ok, no problem. Thank you.
user
Thank you for opting us.
assistant