You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you aid me in booking a flight ticket from OAK to ATL?

ASSISTANT: Sure, May I know the travelling dates?

USER: Sure, I would like to go on Apr 08th and return back on Apr 10th.

ASSISTANT: Do you have any connection limit?

USER: Ensure it is a single connecting flight.

ASSISTANT: Is there any other requirements?

USER: Ensure it is in the economy class.

ASSISTANT: May I know your name?

USER: Myself Susan White.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Welcome.