You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight ticket from AUS to MSP.

ASSISTANT: Sure, may I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Can you please share your planned travel dates?

USER: My journey dates are from Sept, 22 to Sept, 24.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Donald Allen.

ASSISTANT: We found a Frontier airline, flight number: 1019, price: 300 with one connection.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.