You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation, as my plan to visit my home is cancelled.

ASSISTANT: Ok, may I know your name please?

USER: My name is Michelle Martinez.

ASSISTANT: Please stand by I will get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no reservation found with your name.

USER: Ok, thanks for the information.

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