You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please cancel my ticket?

ASSISTANT: Sure, May I know your name to check your details in our database?

USER: Thank you. I am Samantha King.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to notify you that, there is no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for opting us.