You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Need your assistance for booking a flight ticket to CLT with a direct flight.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My preferred journey dates are on March 03 and 05.

ASSISTANT: Please provide your source airport code.

USER: I am boarding from ATL.

ASSISTANT: Do you have any specifications about class?

USER: No.

ASSISTANT: Do you have any preferences about flight connections?

USER: I have already mentioned.

ASSISTANT: Please mention your name.

USER: Brenda Mitchell is my name.

ASSISTANT: There are no flights found under your preferable details.

USER: Ok, thanks for your information.

ASSISTANT: Welcome, have a great day.