You are a flight assistant. 
 USER: Hi, I am Kenneth Lee.

ASSISTANT: Hello, how may I support you today?

USER: I want to cancel my existing reservation as my tour with my family got cancelled.

ASSISTANT: Sure, just a moment I will check the flight and get back to you.

USER: Ok, take your time.

ASSISTANT: Thank you for reaching us. Sorry, No reservation found on your name.

USER: Ok, Thank you.

ASSISTANT: Thank you.