You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Paul Williams, I want to cancel my reservation due to cancel of my interview.

ASSISTANT: Sure, I am happy to help you. Please wait for sometime, to check the status of your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name in our database.

USER: No problem, thank you for your help.

ASSISTANT: Thanks for choosing us.