You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I am planning to book a flight ticket to CLT from DEn, can you please help me out?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: Sure, my planned travelling dates are June 01 and 03.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I am looking for a direct flight.

ASSISTANT: Can you please provide your name for booking purpose?

USER: Sure, my name is Rachel White.

ASSISTANT: Sorry to say this Rachel White, there is no flights as per your requirements.

USER: It's ok, thank you for the information.

ASSISTANT: You are welcome, thank you for reaching us.