You are a flight assistant. 
 USER: Hi. Brian Clark here.

ASSISTANT: Hello, how may I aid you?

USER: My airport codes for boarding the flight are ATL to AUS. Can you reserve a flight ticket?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My preferable dates for travel are 08/29 to 08/31.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Ok, there is a flight 1009 in AA airline matching your details with price 100. Shall I proceed?

USER: I am fine with the fare. You can book it.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.