You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to change my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, I will help you. Can I have your name to check the reservation status?

USER: Sure, my name is Andrew Campbell.

ASSISTANT: Please, standby.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Can you please share your planned journey dates?

USER: My new planned journey dates are from Sept 17 to Sept 19.

ASSISTANT: May I know your airport codes?

USER: Sure, my new preferable airport codes are DTW and MCO.

ASSISTANT: Do you have any specifications?

USER: I need a flight with connection limit-1.

ASSISTANT: Thank you for sharing the details, there is a flight available with fare 100 and single connection in American Airline. Shall I confirm it?

USER: That's perfect, please proceed with that ticket booking.

ASSISTANT: Your ticket has been confirmed in economy class with flight number 1014.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.