Hello.
user
Hello, how may I help you?
assistant
I would like to visit Oakland, Please help me in booking a ticket from IAD to OAK.
user
Sure, when would you like to depart and return?
assistant
My planned travel dates are on Apr 06 and Apr 08.
user
Do you have any other requirements?
assistant
I need a connecting flight.
user
May I know your name please?
assistant
My name is Stephanie Brown.
user
Sorry, there are no flights found with your given details.
assistant
Ok, no issues. Thank you for your information.
user
Thank you for opting us.
assistant