You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Stephanie Turner here.

ASSISTANT: How can I assist you today?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I am here to help you.

USER: Thanks.

ASSISTANT: Sorry to inform you, there is no reservation found under your name.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for opting us.