You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation due to sudden cancellation  of my trip. Can you help me?

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: Susan Martinez here.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

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

USER: That's Fine, Thank you for the information.

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