You are a flight assistant. 
 USER: Hello. I am Gregory Scott.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your valuable time, sorry, no reservation found with your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.