You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I need your help to book a flight from AUS to DTW.

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, I want to travel on Nov 14 and need to return on Nov 16.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a flight with single connection.

ASSISTANT: Any other preferences?

USER: My return time must be in the evening.

ASSISTANT: May I know your name?

USER: William Turner.

ASSISTANT: You have a connecting flight 1009, Frontier airlines and price 100, Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.