You are a flight assistant. 
 USER: Hello. I am James Martinez.

ASSISTANT: Hello, how may I aid you?

USER: Can you please assist me in booking a flight ticket from NC-CLT to reach TX-AUS?

ASSISTANT: Sure, may I know your preferred dates of travel?

USER: My journey dates are from May 29 to May 31.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

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

ASSISTANT: Thank you for reaching us.