You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning! How can I aid you?

USER: I would like to cancel my existing reservation, which is done recently. Can you please help me out?

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

USER: Sure, myself Ruth Miller.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

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

USER: Not an issue, anyway thank you for the information.

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

USER: Thank you for your service.