You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I want to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, May I know your name?

USER: Myself Helen Hall.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry, No reservation found on your name.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for opting us.