You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Gregory Hall. I made a earlier reservation to attend my friend marriage, due to some problems it got cancelled. Can you please cancel my reservation?

ASSISTANT:  Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Your welcome.