You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Gregory White here.

ASSISTANT: How can I help you today?

USER: I want to travel from CLT to ATL for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am very happy to help you in booking flight ticket.

USER: Ok.

ASSISTANT: Could you please help me with your travel dates?

USER: My departure date is 03/16 and return date is 03/18.

ASSISTANT: Please wait a moment, I will check flight availability.

USER: Ok, I will wait.

ASSISTANT: Sorry for the inconvenience no flights available in this route as per your requested dates.

USER: Thank you for the information.

ASSISTANT: You are welcome.