You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My business trip was cancelled and I want to cancel my reservation, can you help me out? My name is Anna Hill.

ASSISTANT: Sure Anna, hold on for a moment.

USER: Ok.

ASSISTANT: Sorry Anna, we could not find any ticket with the given details.

USER: No problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.