You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Nelson. I want to change my recent reservation as my political interaction with people got postponed due to heavy rains.

ASSISTANT: By what way shall I address you now?

USER: Please help me in changing?

ASSISTANT: Sure. Thanks for waiting.

USER: Ok.

ASSISTANT: Based on your name there was no reservation on your name to change.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thank you.