You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to meet my brother at Minneapolis, please help me in booking a ticket from AUS to MSP.

ASSISTANT: Sure, may I know your trip dates?

USER: My planned trip dates are on June 27 and June 29.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any class preference?

USER: Any class is comfortable for me.

ASSISTANT: Any other requirements to be met?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: My name is Deborah Adams.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.