You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Karen Jackson. I need to cancel my active reservation, can you please help me out?

ASSISTANT: Ok, I will help you with that. Please wait for a while.

USER: Sure, please take your time.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: That's ok, thank you for searching the details.

ASSISTANT: Thank you for reaching us.