You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Melissa Clark. I made a wrong reservation with my name, can you please cancel it?

ASSISTANT: Sure, please wait for a moment, I will check and revert you.

USER: OK.

ASSISTANT: We are sorry to notify that, we did not find any reservation with your name.

USER: That's ok, not an issue. Thanks for the information.

ASSISTANT: Thank you for choosing us. Have a nice day.