You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Brian Nelson. I am planning to travel from AUS to IAD, can you help in booking?

ASSISTANT: Sure, can I know the travel dates please?

USER: My date of journey is on 03/24 to 03/26.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Delta airline with price 100, can I book it?

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1005.

USER: Thank you for your help.

ASSISTANT: You are welcome.