You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Ok, may I know your name?

USER: My name is Susan Taylor.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: Thank you.

ASSISTANT: Thank you for reaching us.