You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to meet my sister at Minneapolis, please help me in booking a ticket from MCO to MSP.

ASSISTANT: Sure, let me know your travel dates?

USER: My planned travel dates are on July 22 and July 24.

ASSISTANT: Do you have any requirements?

USER: I prefer an economy class.

ASSISTANT: Ok, can you share your name please?

USER: My name is Christopher Miller.

ASSISTANT: Frontier Airlines has a connecting flight with number 1009 for fare 200, shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.