You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: As I need to attend a emergency case at New York, I would like to book a direct flight from Washington. Can you help me with it?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I intend to fly on 04/15 and return on 04/17.

ASSISTANT: Please share me your nearest airport codes.

USER: From DCA, I would like to reach JFK.

ASSISTANT: May I Know your name?

USER: Margaret Carter is my name.

ASSISTANT: We found a Spirit airline, flight number:1015 and the price is 200.

USER: Proceed for booking with this airline.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.