You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me to book a flight ticket from AUS to DFW.

ASSISTANT: Can I know your travelling dates.

USER: I preferred to travel in between Apr 27 to Apr 29.

ASSISTANT: Do you need any connection limit?

USER: Single connection flight is required.

ASSISTANT: Do you need any connection limit?

USER: No, don't have any other specifications.

ASSISTANT: Ok, please wait. May I know your name?

USER: I am Shirley Anderson.

ASSISTANT: There is a connecting flight in economy class with United Airlines and ticket fare of 100. Shall I proceed?

USER: Sure, proceed to book it.

ASSISTANT: Your ticket is confirmed with flight 1011.

USER: Ok, thanks for booking.

ASSISTANT: Thank you for choosing us.