You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from ORD to SEA?

ASSISTANT: Sure, can you please share your journey dates?

USER: My planned trip dates are Mar 16-18.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: May I know your name please?

USER: My name is Carolyn Collins.

ASSISTANT: Ok, we found direct flight 1005 in Hawaiian Airlines with fare of 100. Shall I proceed with economy class?

USER: Ok, please go ahead.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.