You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Could you please help me in flight ticket booking process from DFW to AUS?

ASSISTANT: Sure, we are here to help you. Can you share me your travel dates?

USER: Thank you. I want to take off on May 15 and book my return ticket also on May 17.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: May I know your depart and arrival time?

USER: I am ok with any time on that dates.

ASSISTANT: Do you have any other preferences?

USER: I will prefer 1 break in between my journey.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Betty White.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airline.

ASSISTANT: There is a connecting flight with fare of 500 and 1008 flight number. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your seat has been reserved with Delta Airlines in business class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.