You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I would like to cancel my recent reservation, can you please help me in cancellation?

ASSISTANT: Sure, I am gleeful to help you with that. May I know your name please?

USER: Karen Collins is here.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no active reservation found on your name in our database to cancel it.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for reaching us, have a great day.