You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you today?

USER: I planning to have fun with my cousins at New York.

ASSISTANT: Ok.

USER: Can you help me with booking?

ASSISTANT: Sure. Please share your airport codes.

USER: I would like to leave from DC-DCA to NY-EWR.

ASSISTANT: Now, send the trip dates.

USER: My preferable travelling dates are 06/12 to 06/14.

ASSISTANT: Are you planning to go with a connecting flight?

USER: Yes, I need a halt.

ASSISTANT: Ok. There is Spirit airline which matches your request. Shall I proceed to book with flight 1021?

USER: Please proceed with booking.

ASSISTANT: Ok, May I have your name to book your ticket?

USER: I am John Hill.

ASSISTANT: Your reservation was done, Thank you.

USER: Thank you for your service.