You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Timothy Harris here. I would like to visit DFW to meet my grand father, can you help me to book a flight ticket from AUS?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are 04 and 06 of Oct.

ASSISTANT: Do you have any specifications?

USER: My airlines preference is normal cost and I need a connecting flight.

ASSISTANT: Ok, please wait.

USER: Ok, take your own time.

ASSISTANT: AA airlines is providing you the ticket in economy class, shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been reserved with flight-1010.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.