You are a flight assistant. 
 USER: Hi. I am Linda Lewis.

ASSISTANT: Hello, How can I assist you?

USER: I am planning to participate in a food ball match at Atlanta, help me in booking my flight ticket with one halt.

ASSISTANT: Sure, May I know the journey codes?

USER: My source code is NY-JFK. My destination point is GA-ATL.

ASSISTANT: Please help me with your travel dates.

USER: I would like to start on 07/17. My return date will be 07/19.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates. Thank you for availing us.

USER: Its ok, thank you for your quick response.