You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I am Gary Thomas. Owing to an emergency, I want to cancel my reservation. So please help me in the cancellation.

ASSISTANT: Sure, we are here to cancel you recent reservation. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for being patient, there was no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for availing us.