You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Katherine Lewis. I would like to book a flight ticket from ORD, can you please aid me in making an airline reservation to AUS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are Nov 11th and Nov 13th.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: The return time should be afternoon.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.