You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Emma Scott, I want to change my reservation as my plan to visit New York is postponed. Can you change my reservation?

ASSISTANT: Sure, wait a minute.

USER: Sure.

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

USER: OK, thank you for the information.

ASSISTANT: Thank you for availing us.