You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Myself Patrick Walker, can you please help me in cancelling my flight reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, there is no reservation found on your name in our data base.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.