You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you today?

USER: Can you please help me in booking the flight ticket from ORD to OAK?

ASSISTANT: Sure, when are you planning to start and return on?

USER: My travel dates are Dec 12 and Dec 14.

ASSISTANT: Do you need a connecting flight?

USER: Yes.

ASSISTANT: Do you have any other concerns?

USER: I need a normal cost airlines.

ASSISTANT: Can I know your good name?

USER: Sandra White.

ASSISTANT: Thank you for your details, we found a connecting flight 1008 in business class. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you.