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: Ok, may I know your name to check your reservation?

USER: Sure, my name is Michelle Green.

ASSISTANT: Sorry, there is no reservation found on your name to cancel it.

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

ASSISTANT: Thanks for reaching us, have a good day.