You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I amend you?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure. May I know your good name?

USER: I am Samuel Phillips.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for choosing us.