You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Gary Hill. I need to attend a cultural festival in New York city so please help me with flight ticket booking from Atlanta.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Thank you. I would like to travel on dates of Mar 21 and Mar 23.

ASSISTANT: May I know your airport codes?

USER: Sure, I need to travel from ATL to EWR as these are very much near my locations.

ASSISTANT: Do you have any requirements?

USER: I am ok with either direct or connecting flight.

ASSISTANT: Sorry to say, no flight is available for you.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.