You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Brian Wilson, I want to book a flight to attend a seminar in Detroit city. Can you please help me to book a flight ticket to DTW from AUS?

ASSISTANT: Sure, could you please share your travelling dates?

USER: Sure, my travelling dates are 05/18 and 05/20.

ASSISTANT: Please wait for a  moment.

USER: Ok.

ASSISTANT: There is a Delta airlines flight 1019 is available for you, shall I proceed?

USER: Yes, do proceed with the booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking my flight ticket with flight 1019.

ASSISTANT: You are welcome.