You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am Samantha Martinez. I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: Ok, thanks for checking and informing me.

ASSISTANT: Thanks for reaching us, have a nice day.