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

ASSISTANT: Hello, how can I aid you?

USER: Can you help me booking a flight ticket from ATL to JFK?

ASSISTANT: Sure, may I know your dates of travel?

USER: I will start on May, 05 and return on May, 07.

ASSISTANT: Do you need any lay by in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Is there any class preference?

USER: I want to return in the afternoon time.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.