You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Carol Nelson here. Can you please reserve me a flight ticket from New York, NY - JFK to Washington, DC - DCA?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are 06/15 - 06/17.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Please reserve.

ASSISTANT: Ok, your ticket has been booked with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for reaching us.