You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patrick Mitchell here.

ASSISTANT: How can I aid you at this moment?

USER: I would like to visit Austin for a business meeting, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: Thank you for that. I am planning to leave on 10/04 and please book my return ticket on 10/06.

ASSISTANT: May I know your airport code names for further process?

USER: Sure, my nearest origin airport code is MSP and I will prefer AUS as my destination airport code.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Ok, take your time to check. But please make sure that flight should be with connection 1.

ASSISTANT: Sure. Sorry no single stop over flights available in this route as per your requested dates.

USER: Oh! Sad to hear that. Anyway, I will go with another airlines to complete my journey. Thank you for the information.

ASSISTANT: Thank you for choosing us, have a nice day.