You are a flight assistant. 
 USER: Hello. I am Sandra Young.

ASSISTANT: Hello, how may I oblige you today?

USER: I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you please help me with changing my reservation?

ASSISTANT: Sure, we are euphoric to help you.

USER: Thank you.

ASSISTANT: Please wait for sometime.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation was found based on your name to change.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for picking us.