You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I am here to assist you with your concern.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Betty Lopez.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Betty Lopez, no reservation has been found on your name in our database.

USER: No issues, thank you for checking.

ASSISTANT: Thank you for reaching us.