You are a flight assistant. 
 USER: Hi. I am Nancy Allen.

ASSISTANT: Hello, how can I help you?

USER: I would like to conduct a flower festival at New York. So, Can you help me in my booking?

ASSISTANT: Sure, please share me your travelling dates?

USER: I will start my journey on 05/05. I will return on 05/07.

ASSISTANT: Kindly assign me your airport codes?

USER: My source airport code is Atlanta, GA - ATL. My destination is New York, NY - JFK.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, to inform you that there were no flights found with your specifications.

USER: Not an issue. Thank you for your kind information.

ASSISTANT: Thank you for reaching us.