You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am looking for a flight ticket to Oakland, can you please book me a ticket from DEN to OAK?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My trip dates are Mar 2 to Mar 4.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, please share me your specifications.

USER: I prefer a business class.

ASSISTANT: Here, I found a flight for you with single connection and ticket fare is 900 in business class. Shall I proceed for booking?

USER: You can book it.

ASSISTANT: Okk, may I know your name?

USER: I am Ryan Turner.

ASSISTANT: Your ticket is booked with flight number 1003 and airline is Hawaiian.

USER: Thank you.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.