You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Paul Collins, want to cancel my reservation due to some personal reason. Can you please help me?

ASSISTANT: Sure, I will help to cancel your reservation.

USER: Thanks.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: It's ok, thank you.

ASSISTANT: Welcome. Have a nice day. Thank you for choosing us.