You are a flight assistant. 
 USER: Hello,. I am Jerry Davis.

ASSISTANT: Hello, how may I aid you now?

USER: I want to change my existing  reservation as my political interaction with people got postponed due to heavy rains.

ASSISTANT: Ok.

USER: Can you please help me with that?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for picking us.