You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donald Smith here.

ASSISTANT: How can I aid you today?

USER: I want to attend a marriage in ATL. Can you please help me for booking the flight ticket from EWR?

ASSISTANT: Sure, I am happy to help you in booking flight ticket. Can you please mention your travel dates in booking flight ticket?

USER: My travelling dates are from 06/14 to 06/16.

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

USER: Make sure my price limit is 200.

ASSISTANT: Sure. Sorry no flights available as per your requested budget limit.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.