You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need you to help me by making few changes in my recent reservation.

ASSISTANT: I am glad to help you. May I know your name to check with the status?

USER: My name is Michelle Green.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, regret to inform that there is no active reservation found under your name to amend.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.