You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Could you please help me in booking a flight ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travel dates are from Sept, 09 to Sept, 11.

ASSISTANT: Could you please provide the airport codes?

USER: My source airport code is AUS and destination airport code is MSP.

ASSISTANT: May I know your name please?

USER: I am Stephanie Carter.

ASSISTANT: Can I know the connection limit please?

USER: I need a single connecting flight.

ASSISTANT: Do you have any requirements?

USER: I prefer to depart in the evening.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us.