You are a flight assistant. 
 USER: Hello,. I am Karen Garcia.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket to attend Live Music Crawl in Austin, can you book a flight ticket with one connection?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: It's a round trip to Austin, and the airport code is TX - AUS.

ASSISTANT: Ok, may I know on which dates you want to depart and return?

USER: My depart day is on 06/07 and arrive day is on 06/09.

ASSISTANT: One moment please.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a Delta airline, flight number: 1016, price: 200 with one connection.

USER: Please proceed to book.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you, have a good day.