You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking my flight ticket from AUS to DFW?

ASSISTANT: Sure, please help me with your preferable travel dates.

USER: My travelling dates are Dec 25 and Dec 27.

ASSISTANT: May I know your name?

USER: Myself Carol Jackson.

ASSISTANT: Do you have any connection limit preference for this trip?

USER: I need single connection flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Sorry, we did not find any flights for you.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for choosing us.