You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: My name is Kenneth Parker, I want to book a flight to Oakland to meet my friend. Can you book my departure flight in evening?

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

USER: I will fly on Oct 02 and return on Oct 04.

ASSISTANT: Please share me your source and destination codes.

USER: My source point is JFK and my destination is OAK.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.