You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, I will help you with that. May I know your good name?

USER: My name is Carol Harris.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: Thanks.

ASSISTANT: Thank you for choosing us.