You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: In Chicago, I have some business meeting. Can you please book my ticket from Austin?

ASSISTANT: Sure, can I know your airport codes please?

USER: My airport codes are from AUS To ORD.

ASSISTANT: Please mention your trip dates as well,.

USER: My trip dates are from 03/31 to 04/02.

ASSISTANT: Can I know your name please?

USER: Myself Raymond Allen.

ASSISTANT: Do you have any other requirements?

USER: Yes, I would prefer to book my ticket in economy class with 1 connection.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Do you prefer any airline preference?

USER: My airline preference is normal cost airline.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Delta airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you so much.

ASSISTANT: Most welcome.