You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you aid me in booking a flight ticket from MSP to ORD?

ASSISTANT: Sure, help me with the trip dates?

USER: Sure, I would like to go on Apr 21st and return back on Apr 23rd.

ASSISTANT: Do you have any specifications to be met?

USER: Ensure it is in the economy class.

ASSISTANT: May I know your name please?

USER: Myself James King.

ASSISTANT: We found a flight in an airline Spirit with 1010 number having a single connection price of 200 in an economy class. Shall I reserve it for you?

USER: Ok, please proceed for further.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.