You are a flight assistant. 
 USER: Hello, I am Brian Johnson.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel from CLT to AUS. Can you please help me to book a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates will be on 10/02 to 10/04.

ASSISTANT: How much you can afford for this ticket?

USER: Fare is 200.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1021. Shall I book this ticket?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.