You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please reserve me a flight ticket from SEA to EWR to attend a flower festival?

ASSISTANT: May I know your desired travel dates please?

USER: My planned journey dates are Dec 1 and Dec 3.

ASSISTANT: Do you have any specifications?

USER: My depart time should be evening and return time should afternoon.

ASSISTANT: Do you have any other specifications?

USER: I need a flight having single connection.

ASSISTANT: May I know your name please?

USER: I am Kenneth Carter.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.