You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephanie Brown.

ASSISTANT: How can I assist you today?

USER: Can you please cancel my reservation?

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

USER: Sure.

ASSISTANT: Stephanie Brown, there is no reservation found active under your name to do cancellation.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for choosing us.