You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I be of your service?

USER: Due to tornadoes, my cricket tournament has been postponed. I would have to change my existing reservation. Can you help me with that?

ASSISTANT: Sure. Let me check the status and revert you.

USER: Ok.

ASSISTANT: May I know your name to proceed?

USER: Susan Roberts here.

ASSISTANT: Thank you. There is no reservation found on your name.

USER: OK, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the information.