You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jerry Hall.

ASSISTANT: How may I aid you?

USER: Owing to an emergency, I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, I will help you. Sorry, there are no reservation found on your name.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.