You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Richard Phillips here. I would like to prefer a economy class for my business trip to Los Angeles. So can you book the flight ticket for me?

ASSISTANT: Sure, may I know your trip dates please?

USER: The travel dates are from Dec 06 to Dec 08.

ASSISTANT: Let me know your source airport code please?

USER: The airport codes are from ORD to LAX.

ASSISTANT: Any other requirement to be met?

USER: No.

ASSISTANT: Can you mention your name to proceed further?

USER: I am Richard Phillips.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Hawaiian Airlines has a connecting flight with number 1002 for fare 100, shall I proceed?

USER: You can book it.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.