You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My friend's marriage got postponed.I want to change my existing reservation.

ASSISTANT: Sure. Can I know your name?

USER: Myself George Adams.

ASSISTANT: Ok. I had found a reservation on your name.

USER: Ok.

ASSISTANT: Can I know your new source and destination?

USER: Sure, my codes are from FL-MCO to NC-CLT.

ASSISTANT: Ok. Could you tell me your travelling dates?

USER: My journey dates are from 08/11 to 08/13.

ASSISTANT: I had found a flight for you with a price of  100 and a connection of 0. Can I proceed?

USER: Sorry, I want the flight with 1 connection.

ASSISTANT: Ok.

USER: Ok, thank you.

ASSISTANT: Sorry for the inconvenience. Thank you for reaching us.

USER: You are welcome.