You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to book a flight from DCA to meet my friend at New York, so please help me in booking a flight.

ASSISTANT: Sure, may I know your name please?

USER: Sure, I am Christine Young.

ASSISTANT: Ok, may I know your destination airport code please?

USER: My destination airport code is JFK.

ASSISTANT: Ok, may I know your travelling dates please?

USER: My planned dates are on Oct 24th to 26th.

ASSISTANT: Ok, may I know your connection limit please?

USER: I need a connecting flight.

ASSISTANT: Do you have any another specifications please?

USER: No.

ASSISTANT: There is a connecting flight of fare 300 with business class in Frontier airline, shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, your reservation has been confirmed with flight number 1015.

USER: Thank you.

ASSISTANT: You are welcome.