You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be of your help?

USER: I need to book a flight ticket from AUS to MSP, can you help me in booking a flight ticket?

ASSISTANT: Sure, we are glad to help you. Please share your planned travelling dates to proceed further.

USER: Sure, my journey dates are Dec 9 and Dec 11.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I prefer maximum one connection.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: Can I have your name please?

USER: Sure, Angela Allen here.

ASSISTANT: May I know if you have any class preference?

USER: I want to fly in a economy class.

ASSISTANT: Let me check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Southwest airline with the flight number-1011 and the fare 100. Shall I book the connecting flight?

USER: Yes, you can.

ASSISTANT: Your flight booking is confirmed and ticket has been emailed.

USER: Thank you for your assistance.

ASSISTANT:  Thank you for choosing us, hope you are satisfied with the service.