You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: Can you please help me to book a flight from PHL to AUS?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, I want to travel on Sept 26 and need to return on Sept 28.

ASSISTANT: Do you have any connection limit?

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

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Donald Brown.

ASSISTANT: You have a connecting flight 1014 in Frontier airlines and price 200, Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.