You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation as my trip to New York has been cancelled. Can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I know your name please?

USER: I am Mark Wright.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Mark, sorry to inform you that there is no active reservation found with your name in our records.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Most welcome.