You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I oblige you?

USER: I need to change my reservation due to postponed of my interview. Can you please change my reservation?

ASSISTANT: Sure. May I know your good name?

USER: Jack Evans is my name.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, There is reservation found with your name. May I know your travelling dates?

USER: 08/06 and 08/08 are my travelling dates.

ASSISTANT: May I know your airport codes?

USER: AUS is my origin and CLT is my destination.

ASSISTANT: There is a direct flight with flight number 1012 in Spirit airline and price 200 with a connection. Shall I proceed?

USER: Yes, You can.

ASSISTANT: Reservation is done.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you.