You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Wright.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit Seattle, can you please book me a ticket from ATL to SEA?

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

USER: Thank you.

ASSISTANT: Could you please mention your preferable travel dates for booking flight ticket?

USER: My preferable journey dates are from 02/13 to 02/15.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure, I will wait for your response.

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

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for reaching us, have a good day Lisa Wright.