You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

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

ASSISTANT: Sure, may I know your name?

USER: My name is Jacob Miller.

ASSISTANT: Ok, Please wait a minute.

USER: Sure.

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

USER: Thank you.

ASSISTANT: Thank you.