You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking my flight ticket from ATL to OAK?

ASSISTANT: Sure, may I know the planned travel dates?

USER: My journey dates are June 05 and June 07.

ASSISTANT: Please provide me the specifications.

USER: I need business class ticket.

ASSISTANT: May I know the name?

USER: Myself Nicole Moore.

ASSISTANT: Do you have any other specifications?

USER: I need direct flight.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.