You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: This is Stephanie Lewis, can you help me to book a flight ticket from AUS to SEA?

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

USER: I am travelling from Dec 20 to Dec 22.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Frontier, flight number: 1029 and price is 100 with one connection.

USER: Please proceed to book with this airline.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.