You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I need to buy a plane ticket from JFK to DTW. Could you please help me in that?

ASSISTANT: Sure, when are you planning to travel?

USER: My travel dates are from Dec, 07 to Dec, 09.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Any other requirement to be met?

USER: I need a single connecting flight.

ASSISTANT: Ok, can you mention your name to proceed further?

USER: Patricia Jackson.

ASSISTANT: Spirit Airlines has a connecting flight with number 1004 for fare 100, shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is reserved in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.