You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Michael Rodriguez. I want you to cancel my flight reservation, can you please do that for me?

ASSISTANT: Sure, I will help you. Please wait for a moment.

USER: Thank you. I will wait.

ASSISTANT: Michael Rodriguez, no reservation has been found on your name in our records.

USER: No problem. Anyway, thank you.

ASSISTANT: Thank you for choosing us.