You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Gary Jones. Can you please help me in booking a flight ticket from Denver, DEN to reach Oakland, OAK?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are from Sept 25 to Sept 27.

ASSISTANT: Can you please share your depart time and return time?

USER: My return time is morning.

ASSISTANT: Do you want connecting flight?

USER: Yes, I need a flag stop in between journey.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found a JetBlue airline, flight number: 1002, return time: 4:00AM, price: 200 with one connection.

USER: Sure, you can proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.