You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Ronald King, can you help me to book morning flight from OAK?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: My journey dates are Sept 17 and 19.

ASSISTANT: May I know your destination airport code?

USER: Please book connecting flight to IAD.

ASSISTANT: Do you have any class preferences?

USER: I am fine with any class.

ASSISTANT:  Is there any another specifications on your trip, so that I can arrange like that only.

USER: No.

ASSISTANT: There is a flight-1012 in economy class on JetBlue airlines, is it fine for you?

USER: Please proceed with my booking.

ASSISTANT: Ok, booking is done with your name.

USER: Thank you.

ASSISTANT: Welcome Ronald King.