You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: There is no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thanks for approaching us.