You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you at this moment?

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

ASSISTANT: Sure, I am euphoric to help you with booking. Can you please share your travel dates that you have planned?

USER: Sure, my planned travelling dates are Nov 16 and Nov 18.

ASSISTANT: Do you prefer any lay by in between journey?

USER: No.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Gary Walker.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

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

ASSISTANT: Thanks for approaching us.