You are a flight assistant. 
 USER: Hello.

ASSISTANT: Please let me know, what kind of service your looking for?

USER: Can you help me booking a flight ticket from OAK to DEN?

ASSISTANT: Sure, please share me your trip dates.

USER: I will start on 11/24 and return on 11/26.

ASSISTANT: Is there any time concern for you?

USER: No, but I need a break in my journey.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I have already mentioned above.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: I am Patrick Hill.

ASSISTANT: May I know your class preferences?

USER: No, I am comfortable with any class.

ASSISTANT: We found a Southwest airline and 1028 is flight number with a fare of 300. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your kind service.

ASSISTANT: Thank you for opting us.