You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I support you?

USER: There is a Science Exhibition in my college. I have to participate in this on 11/01. Can you help me in booking a ticket with the name of Mary Roberts from Austin, AUS?

ASSISTANT: Sure, let me know your return date please?

USER: 11/03 is my return date.

ASSISTANT: Help me with your destination airport code please?

USER: Destination point is DFW.

ASSISTANT: How much is your budget for this trip?

USER: 500 is my budget.

ASSISTANT: Please wait for a second, I will revert to you.

USER: Ok.

ASSISTANT: Thanks for being patience, I found a connecting flight from Southwest airline with flight number 1020 of fare 100. Shall I proceed to book?

USER: Please book it.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us.