You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to my ill health, I am unable to travel long distances. Please help me in cancelling my recent reservation.

ASSISTANT: Sure, may I know your name?

USER: My name is Nicholas Wilson.

ASSISTANT: Sorry Nicholas, there is no active reservation found under your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Most welcome.