You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: My name is Katherine Evans, I want to book my departure flight in evening. Can you book a connecting flight for me?

ASSISTANT: Sure, can you share your journey dates?

USER: I will travel on Dec 8 and return on Dec 10.

ASSISTANT: May I know your journey airport codes?

USER: My source point is SEA and my destination is ORD.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1009 in airline Hawaiian, the fare is 100 in economy class. Can I book it?

USER: Please proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.