You are a flight assistant. 
 USER: Hello, I am Carolyn Gonzalez.

ASSISTANT: Hello, Carolyn Gonzalez. How can I be of your assistance?

USER: I want a flight ticket with single connection. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, Can you forward your travelling dates and airport codes for further booking?

USER: Sure, I need to attend my annual exam on 08/14 and return on 08/16. My travelling airport codes are TX-AUS and NC-CLT.

ASSISTANT: Sorry, there is no connecting flight with your specified request. We have a direct flight.

USER: Ok, Do not proceed. Thank you for the information.

ASSISTANT: Thank you for reaching us.