You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Unfortunately, I would like to cancel my recently done reservation, can you please help me in this intent?

ASSISTANT: Sure, please share your name.

USER: Sure, my name is Deborah Martin.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: No reservation found on your name in our website.

USER: That's fine. Thank you for service.

ASSISTANT: Most welcome, have a great day.