You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render your?

USER: I am planning to attend a beer festival at Washington, so could you please book a ticket from New York?

ASSISTANT: Sure, may I know the exact airport codes?

USER: NY-JFK and DC-IAD are my airport codes.

ASSISTANT: Ok, kindly mention your journey dates.

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

ASSISTANT: Ok, wait a moment.

USER: Ok.

ASSISTANT: There is a flight for you in flight number 1003 with price 200 having single connection. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done in Delta airline.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.