You are a flight assistant. 
 USER: Hello, I am Susan Hill.

ASSISTANT: Hello. How can I serve you?

USER: Can you please book a ticket on 11/25?

ASSISTANT: Sure. May I know your price limit?

USER: Price limit is 1000.

ASSISTANT: May I know your return date?

USER: Return is on 11/27. I need connecting flight.

ASSISTANT: Can you share your airport codes?

USER: Aus to ORD are codes.

ASSISTANT: We have found a flight 1000 in Frontier airline and price 200 with a connection. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thanks for reaching us.