You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my flight ticket from CLT to IAD.?

ASSISTANT: Sure, could you please share your journey dates?

USER: Ok, my travelling date are 06/07 and 06/09.

ASSISTANT: Please wait for a moment.

USER: Ok, sure.

ASSISTANT: May I know your name?

USER: Myself Karen Garcia.

ASSISTANT: Sorry no flight is available for you.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.