You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me cancel my reservation which was made on the name of Stephanie Parker?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: I have already mentioned it above.

ASSISTANT: Sorry, there is no reservation found under your name to cancel it.

USER: It's ok, thank you for the response.

ASSISTANT: You are welcome.