You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at this moment?

USER: I am looking for a direct flight in my journey, can you find that in my booking?

ASSISTANT: Ok, I can help you out. can you please tell me your trip dates?

USER: I am probably palnning my dates on 10/26 and 10/28.

ASSISTANT: May I know your travel codes?

USER: My preferable airport codes are from CLT to AUS.

ASSISTANT: May I know your name?

USER: My name is Catherine Robinson.

ASSISTANT: Sorry, no flight found with your details.

USER: Ok, no problem, thank you for your help in finding the flights.

ASSISTANT: Thank you for reaching us.

USER: Welcome.

ASSISTANT: Have a good day.