You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Steven Nelson.

ASSISTANT: How can I help you today?

USER: I have a plan to meet my friend in New York, can you help me for booking a flight ticket from DCA to EWR?

ASSISTANT: Sure, i am here to help you with that. Please provide me your travel dates also.

USER: My travelling dates are 10/25 and 10/27.

ASSISTANT: Here, I found a direct flight for you and fare is 200. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight 1021 and airline is Delta.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us, have a safe flight.