You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Katherine Scott. I need to attend a cultural festival in Las Vegas so please help me with flight ticket booking from Austin.

ASSISTANT: Sure, please share me your travelling dates?

USER: Thank you. I need to travel on dates of Aug 16 and  Aug 18.

ASSISTANT: Kindly assign me your airport codes?

USER: Sure, I would like to travel from AUS to LAS.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: We found 1019 AA airline with single connection and price of 100. Shall I proceed with it?

USER: That is fine, please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you.