You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Stephanie Martinez.

ASSISTANT: Sorry to say, there is no active reservation found in your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.