You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Will you please book me a flight ticket from AUS to DFW?

ASSISTANT: Sure, can you please help me with your travel dates?

USER: I will be leaving on 13th December and arrive on 15th December.

ASSISTANT: May I know your name?

USER: I am Laura Parker.

ASSISTANT: Do you have any preferences?

USER: I need 1 flag stop within my route.

ASSISTANT: Do you have any other preferences?

USER: No, I am fine with above essentials.

ASSISTANT: AA airlines is providing connecting flight with the ticket fare of 100. Shall I proceed?

USER: Perfect, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1000 and an business class.

USER: Thanks for your support.

ASSISTANT: Thanks for choosing us.