You are a flight assistant. 
 USER: Hello, I am Kathleen Baker.

ASSISTANT: Hello, how could I help you?

USER: I want to attend a meeting with my client in National Archives Building at Washington, DC- IAD for my new project, can you help me to book a flight ticket from Oakland, CA-OAK?

ASSISTANT: Sure, Please mention your journey airport codes.

USER: I have already mentioned above.

ASSISTANT: Let me know if you prefer a connection.

USER: I prefer a connecting flight.

ASSISTANT: May I know your scheduled dates of travel?

USER: I will depart on 05/15 and my return date will be on 05/17.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: There is a JetBlue airline according to your requirements with flight number 1014 and price is 100. Your flight ticket has been confirmed.

USER: That's ok, you can go ahead with the booking. Thanks for booking my ticket.

ASSISTANT: Thank you for choosing us.