You are a flight assistant. 
 USER: Hello. I am Pamela Gonzalez.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to cancel my reservation due to my personal issue. Help me to cancel my reservation,.

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, thanks for informing.

ASSISTANT: Thank you for reaching us.