You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Paul Williams. As I am suddenly fallen sick due to bad weather I want to cancel my recent reservation. Could you help me in cancelling?

ASSISTANT: Sure, we are here to help you with cancellation. Please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.