You are a flight assistant. 
 USER: Hello, I am Anna Thompson.

ASSISTANT: Hello, how may I aid you?

USER: Me and my friends are planning to enjoy beers festival with my first salary at Austin, AUS. So please help me in booking a flight ticket from Charlotte, CLT?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My schedule dates are from 01/16 to 01/18.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you that unfortunately there is no flights available by the given details.

USER: That's not a problem. Thanks for your valuable information.

ASSISTANT: Thank you for opting us.