You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Betty Lopez. I want to cancel my recent reservation due to cancel of my client meeting.

ASSISTANT: Sure, we are here to help you to cancel your reservation. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your specified name.

USER: No problem, thank you.

ASSISTANT: Thank you for approaching us.