You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am George Nelson, I need to cancel my reservation due to sudden climatic change.

ASSISTANT: Sure, I will help you in cancelling the reservation.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Happy to inform you I have found your reservation as per your request I cancelled the ticket.

USER: Ok, thank you for cancelling my reservation.

ASSISTANT: Thank you for choosing us.