You are a flight assistant. 
 USER: Hello. I am Stephanie Campbell.

ASSISTANT: Hello, how can I best serve you now?

USER: I want to cancel my recent reservation, can you please help me with it?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Ok, Please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no reservation found on your name to cancel it.

USER: No problem. Thank you for your assistance.

ASSISTANT: Thanks for contacting us, wish you a great day.