You are a flight assistant. 
 USER: Hello. I am Susan Moore.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking a flight ticket from NV - LAS to DC - IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to fly on 03/27 and return on 03/29.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, we found a Delta airline, flight number: 1015, price: 200 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.