You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Owing for an emergency, I want to cancel my flight reservation. Can you please help me?

ASSISTANT: Sure, may I know your good name for checking your recent reservation?

USER: Thank you. I am Timothy Mitchell.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no reservation found as per your name in our database.

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

ASSISTANT: Thank you for reaching us.