You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sarah Baker here.

ASSISTANT: Baker, how can I aid you today?

USER: I am looking a flight from SEA to DTW to meet my sister, can you help me?

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

USER: My travelling dates are 10/03 and 10/05.

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

USER:  I need a direct flight.

ASSISTANT: Sorry Sarah, there are no direct flights available on your given dates.

USER: Sure. It's ok, thank you for giving information.

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