You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I amend you?

USER: Owing to an emergency I had to request for change reservation.

ASSISTANT: Sure. May I know your good name?

USER: My name is Richard Baker.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for being patience. I am here to inform you that, there is no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for picking us.