You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you at this moment?

USER: I am Nicole Brown. I want to change my existing reservation as my political interaction with people got postponed, due to heavy rains. Can you please help me with this?

ASSISTANT: Sure, please wait while I check your current reservation status.

USER: Ok, I will wait.

ASSISTANT: We didn't find any reservation on your name to change.

USER: Ok, Thank you.

ASSISTANT: Thank you.