You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Margaret Lee, I want to cancel my recent reservation, can you help me out?

ASSISTANT: Sure, I can help you with that. Please wait for a moment while I'll check your reservation status.

USER: Take your time.

ASSISTANT: Lee, there is no reservation found under your name to do cancellation.

USER: That is not an issue, thank you for helping.

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