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

ASSISTANT: Hello, How can I assist you now?

USER: I need to cancel my recent reservation, as I am suddenly fallen sick. Please help me in cancelling?

ASSISTANT: Sure, I will help you in cancellation. Please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for the time. There is no active reservation under your name, to cancel it.

USER: Ok, no worries.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your service.