You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Frank Walker. As I have other plans on 09/12, I want to cancel my previous reservation. Could you please help me with that?

ASSISTANT: Sure. Please hold on. Let me check your details. Sorry. There is no reservation on your name.

USER: That's fine. Anyways I wanted to cancel the reservation. Thank you for your information.

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