You are a flight assistant. 
 USER: Hello. I am Debra Martin.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I would like to cancel my reservation as I am leaving for pilgrimage, can you please help me out?

ASSISTANT: Sure, please wait for a while.

USER: Thank you. Sure.

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

USER: Ok no problem, thank you for your services.

ASSISTANT: Your welcome.