You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: I am Joshua Lopez.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Lopez, there is no reservation found as per your name in our database.

USER: No issues, thank you for checking.

ASSISTANT: Thank you for reaching us with a query.