You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to book a flight ticket from CLT to AUS?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I want to take off on 18 Sep and return on 20 Feb.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Ok, can you re-check your return date?

USER: I would like to return on 20 Sep.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Please proceed.

ASSISTANT: Can I know your name for booking?

USER: John Moore.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.