You are a flight assistant. 
 USER: Hello. I am Dorothy Martin.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to visit LAX to meet my friend, can you please help me in booking a flight ticket from SEA?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are July 06 and July 08.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure, I will wait for your information.

ASSISTANT: Sorry Martin, there are no flights available on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.