You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I am looking for a flight from CLT to IAD, can you help me out?

ASSISTANT: Sure, May I know the journey dates?

USER: My trip dates are from Feb 2nd till Feb 4th.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Myself Edward King.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.