You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Raymond Williams. I have planed a trip in my week holidays, so can you please reserve a flight ticket for me from AUS to CLT?

ASSISTANT: Can you help me with your journey dates to check for the flights availability?

USER: Sure, my journey dates are 12/15 and back on 12/17 with a zero halt in my journey.

ASSISTANT: Ok, there is no flight available at your prefer location.

USER: No issues with that one, thank you for your search.

ASSISTANT: Ok, thank you for choosing our agency.

USER: Welcome.