You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, Let me know your good name?

USER: My name is Robert Martinez.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Thank you.

ASSISTANT: Thank you for reaching us.