You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need a flight to attend a workshop, can you please help me with flight ticket booking from AUS to MSP locations?

ASSISTANT: Sure, can you please provide your journey dates?

USER: Thank you and my journey dates are 20 and 22 in the month of December.

ASSISTANT: Do you need preferred connections?

USER: Yes, I am looking for a single limit connection.

ASSISTANT: Do you have any other specifications to be met?

USER: No, that's it.

ASSISTANT: Can I have your name?

USER: I am Raymond Brown.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: It's alright, no problem with that one. Thank you for your help.

ASSISTANT: Thank you for availing us.