You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I made an earlier reservation to attend my friend marriage, due to some issues it got cancelled. Can you please cancel my reservation?

ASSISTANT: Sure, I am here to help you with that, may I know your name to proceed further?

USER: My name is Gregory White.

ASSISTANT: Sorry, no reservation is found on your name in our records.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.