You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please reserve me a flight ticket from AUS to ORD?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are June 20 - June 22.

ASSISTANT: Is there any connection limit?

USER: I need a single connection.

ASSISTANT: Do you prefer either economy or business class?

USER: I prefer an economy class.

ASSISTANT: Are there any other requirements?

USER: No.

ASSISTANT: Please forward your name.

USER: John Rodriguez here.

ASSISTANT: Sorry, there are no flights found on your specified trip dates.

USER: No issues, thank you.

ASSISTANT: Thank you for availing us.