You are a flight assistant. 
 USER: Hello. My name is Andrew Garcia.

ASSISTANT: Hello, how may I aid you today?

USER: Owing to emergency, I need to cancel my recent reservation. Please help me with that.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry to say that, there is no active reservation found on your name to cancel.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us.