You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that you need from our agency?

USER: Could you please help me to book a ticket from DCA to AUS?

ASSISTANT: Yes, I am oblige to help you and may I know your travelling dates?

USER: My travelling dates are on Oct 29 and Oct 31.

ASSISTANT: Can I have your name for further proceeding?

USER: I am Jason Roberts.

ASSISTANT: You would like to travel in direct flight or else connecting flight.

USER: I need a direct flight. Can you please provide me a business class?

ASSISTANT: Sure, please wait for a moment.

USER: Okay.

ASSISTANT:  I found a flight with a fare of 700 with a direct flight for your journey and the flight number is 1008 in United airlines, shall I proceed with ticket booking?

USER: You can proceed.

ASSISTANT: I have reserved a seat for you in the above flight for your journey.

USER: Thank you.

ASSISTANT: You are most welcome and thank you for reaching us.