You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Johnson.

ASSISTANT: How can I aid you for the day?

USER: Can you aid me in booking a flight ticket from MSP to AUS?

ASSISTANT: Sure, I will help you with this. Could you please provide your journey dates?

USER: Sure, I would like to go on Feb 03rd and return back on Feb 05th.

ASSISTANT: Do you need any halt in between your journey?

USER: Ensure it is a single connecting flight.

ASSISTANT: Do you have any class preference for this trip?

USER: Any class is fine for me.

ASSISTANT: AA airlines with connecting flight is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Can you please check a direct flight?

ASSISTANT: Frank Johnson, there is no direct flight is available on this route.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.