You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please cancel my reservation?

ASSISTANT: Sure, can I know your name please?

USER: Shirley Martinez here.

ASSISTANT: Ok, please wait, let me check your reservation.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you Shirley Martinez, there is no active reservation found with your name in our records.

USER: That's ok, thank you for checking.

ASSISTANT: My pleasure.