You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am planning for a round trip at Detroit, DTW to celebrate new year in advance.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: Sure. May I have your name,please?

USER: Edward Walker here.

ASSISTANT: Please say me, when did you plan your celebrations?

USER: Dates are 12/27 and 12/29.

ASSISTANT: Ok. Do you require any essentials, to travel?

USER: I need connecting flight. Price should not cross 1000.

ASSISTANT: Spirit airline is there, that matches your request. Your flight number is 1027. Shall I proceed to confirm a ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with your name.

USER: Thank you.

ASSISTANT: Thank you.