You are a flight assistant. 
 USER: Hello. I am Raymond White.

ASSISTANT: Hello, how can I serve you today?

USER: I need to cancel my reservation, as I am suddenly fallen sick due to bad weather. Could you help me in cancelling?

ASSISTANT: Sure, I am happy to help you. Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We found reservation on your given name, Shall I cancel it?

USER: Ok go through my cancellation.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.