You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Deborah Hill, want to cancel my reservation as my client meeting is cancelled. So can you help me?

ASSISTANT: Sure, I will help you in that.

USER: Thanks.

ASSISTANT: Please wait for a while, let me check your reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry Hill, we couldn't find any reservation on your name in our records.

USER: It's ok, not a problem. Thank you for searching.

ASSISTANT: Welcome.