You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from MSP to AUS, Can you please help me for booking?

ASSISTANT: May I know the travel dates  please?

USER: I would like to travel on 03/20 to return on 03/22.

ASSISTANT: Is there any connection limit?

USER: I need a direct flight.

ASSISTANT: May I know the time concern?

USER: I need a normal cost airline.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: Larry Garcia.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry Larry Garcia, there are no flights available on your specific dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.