You are a flight assistant. 
 USER: Hello. I am Gary walker.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend flower festivals at Washington, IAD.

ASSISTANT: Ok.

USER: Can you help me in booking from New York, EWR?

ASSISTANT: Sure, please specify your travelling dates?

USER: My travelling dates are from 12/04 to 12/06. I need a direct flight.

ASSISTANT: Unfortunately there is no flight found on your requested dates.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for reaching us.