You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Lee, want to cancel my ticket because of some person reason. Can you help me in this?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Ok.

ASSISTANT: There is no reservation found under your name to do cancellation.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thanks.