You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I am Charles Carter.

ASSISTANT: what can I do for you Charles Carter?

USER: I got selected for the music event for this year as of I need to attend the event meeting at Austin, TX - AUS, can you please help in booking a flight ticket?

ASSISTANT: Sure, may I know where are you heading from?

USER: I am willing to travel from Las Vegas, NV - LAS.

ASSISTANT: Please let me know your journey dates.

USER: Sure, my travel dates are 06/18 and 06/20.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Delta airline with flight number 1019 and price of 100 available at this moment. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.