You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

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

ASSISTANT: Sure, I am gleeful to help you with that. Can you please share your preferable travel dates?

USER: I want to travel on 04/23, and return on 04/25.

ASSISTANT: May I know your name please?

USER: I am Thomas Lee.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight-1005 in Delta Airlines with a fare of 200. Shall I proceed with booking?

USER: Proceed with the booking.

ASSISTANT:  Thomas Lee, your ticket is reserved successfully in economy class.

USER: Thanks for the help.

ASSISTANT: Most welcome, thank you for reaching us. Have a safe journey.