You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for today?

USER: Myself Patrick Hall here and I want to cancel my recently done reservation. Can you please help me?

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

USER: Sure.

ASSISTANT: Sorry Patrick, there is no reservation found on your name.

USER: Ok, that's fine.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.

ASSISTANT: You are welcome, have a great day.