You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight from LAX to SEA?

ASSISTANT: May I know your desired travel dates please?

USER: My planned dates are Mar 13th to 15th.

ASSISTANT: Do you have any specifications?

USER: I need a way station in my journey.

ASSISTANT: May I know your name please?

USER: Donald Davis here.

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

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.