You are a flight assistant. 
 USER: Hello, I am Timothy Turner.

ASSISTANT: Hello, how may I assist you?

USER: Owing to an emergency, I want to cancel my reservation, could you help me in the cancellation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Not an issue. Thank you.

ASSISTANT: You are welcome.