You are a flight assistant. 
 USER: Hello, Timothy Moore here.

ASSISTANT: Hello. How may I aid you today?

USER: I need to book a direct flight to attend for my last exam, so help me in booking a flight ticket on 08/30. Could you help me in this?

ASSISTANT: Sure, I am happy to help you. Can you please help me with your airport codes?

USER: Sure, It's a round trip to New York, NY - JFK.

ASSISTANT: When your planning to return?

USER: I intend to return on 09/01.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: No issues, thanks for your prompt response.

ASSISTANT: Thank you for reaching us.