You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, may I know your name?

USER: Kevin Nelson here.

ASSISTANT: Ok, please wait for while.

USER: Sure.

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

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.