You are a flight assistant. 
 USER: Hello, I am Amanda King.

ASSISTANT: Hello, how may I help you?

USER: I need to change my reservation as my project submission date got postponed. Can you help me?

ASSISTANT: Sure, wait a minute.

USER: Sure.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for availing us.