You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Stephanie Carter. Could you help me in booking a flight ticket from SEA to EWR?

ASSISTANT: Sure, I am happy to help you. May I know your planned trip dates?

USER: I will start on Sept 09, return on Sept 11.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I want direct flight.

ASSISTANT: Can you please let me know your specific depart and arrival timings please?

USER: My return time should be morning.

ASSISTANT: Is there any class preference for you?

USER: I want economy class flight ticket.

ASSISTANT: Do you have specific airline to travel?

USER: No.

ASSISTANT: Thanks for providing details, we are regret to inform you that no flights are available on your journey dates.

USER: Not an issue, thank you.

ASSISTANT: Thank you for availing us.