You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Matthew Baker. I need to book a flight ticket from ORD to AUS, Can you please help me for booking?

ASSISTANT: Sure, can I know your travelling dates?

USER: I would like to travel on 09/20 to return on 09/22.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found a direct flight from Delta airline and the fare is 200 with an economy class.Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is booked with 1001 flight number.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.