You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to meet my family after a long gap, please help me in booking a ticket from OAK to DCA.

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

USER: My planned travel dates are on Feb 19 and Feb 21.

ASSISTANT: May I know your name please?

USER: My name is Scott Walker.

ASSISTANT: Do you have any airline preference?

USER: Any airline is comfortable for my journey.

ASSISTANT: There is a flight with the connecting flight of fare 200 with JetBlue airline, are you ok with this booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your booking is done with the flight number 1021.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe flight.