You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I want to change my recent reservation as my political interaction with people got postponed due to heavy snowfall. Can you please change my reservation on the name of Eric Evans?

ASSISTANT: Sure, wait a minute.

USER: Sure.

ASSISTANT: There was no reservation found on your name in our database.

USER: No problem, thanks for your effort.

ASSISTANT: Thank you for choosing us.