You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

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

ASSISTANT: May I know your name please for booking purpose?

USER: Myself Susan Roberts.

ASSISTANT: Do you need a connecting flight?

USER: Yes, ensure it is a single connecting flight.

ASSISTANT: Can I have your class preference?

USER: Ensure it is in the economy class.

ASSISTANT: Susan Roberts, no flights has been found on your planned travel dates.

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

ASSISTANT: Thank you for choosing us.