You are a flight assistant. 
 USER: Hello, I am Anthony Wilson.

ASSISTANT: Hello, how can I assist you?

USER: As my Prewedding shoot is postponed I want to cancel my reservation. Can you please help me in cancelling?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for choosing us.