You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to meet my fiend at Oakland, will you help me in booking the flight ticket from DEN to OAK?

ASSISTANT: Sure, let me know your travel dates please?

USER: My preferable journey dates are Sept 22 and Sept 24.

ASSISTANT: May I know your connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Do you need any other preference?

USER: No, thank you for choosing us.

ASSISTANT: Can I know your name please?

USER: Myself Betty Lewis.

ASSISTANT: JetBlue Airlines is providing connecting flight with the ticket fare of 300 and depart time is 9:00 hours, arrival time is 8:00 hours. Shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been confirmed by flight number 1003 and an economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.