You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Here Helen Phillips. Can you please help me with flight ticket booking in a direct flight?

ASSISTANT: Sure, May I know the travelling dates?

USER: My travelling dates are 6th and 8th in the month of October.

ASSISTANT: Please help me with your journey codes.

USER: My genesis airport code is ORD and my terminus airport code is ATL.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: I need a morning flight from my location to start my journey.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Very sad to hear that one, I can reach my destination with any other source. Thank you for your search and your help.

ASSISTANT: Thank you for opting us.