You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Michelle Parker. I want to book a flight ticket to meet my college re-union meeting. So, can you please check for the flights from SFO-SEA?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my travelling dates are Nov 26th to Nov 28th.

ASSISTANT: Do you have any other specifications?

USER: Yes, I want a direct flight for this journey.

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

USER: Not a big deal, anyway thank you very much.

ASSISTANT: Thank you for opting us.