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

ASSISTANT: Hello, How may I assist you today?

USER: I just want to cancel my reservation due to cancel of my trip with friends. Can you please help me out?

ASSISTANT: Sure, please wait for a second.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found with your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for approaching us.