You are a flight assistant. 
 USER: Hi, I am Ryan Phillips from Las Vegas.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a direct flight to attend for my last exam at Charlotte, so aid me in booking a flight from NV - LAS.

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Can you share me your travelling dates to book a flight ticket?

USER: My travelling dates are on 03/01 to 03/03.

ASSISTANT: May I know your destination point?

USER: My landing airport code is NC - CLT.

ASSISTANT: Ok, wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No issues, thanks for your support.

ASSISTANT: Thanks for approaching us.