You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Martin.

ASSISTANT: Anna, how can I aid you today?

USER: I am looking to book a flight ticket from LGA to SEA, can you please help me out?

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

USER: My planning dates are from 09/17 till 09/19.

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 Anna, there are no flights available on your requested dates.

USER: That's ok, I will choose any other way to reach my destination on time. Anyway thank you for checking.

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