You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid 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 to check for the reservation status?

USER: Sure, my name is Dorothy Davis.

ASSISTANT: Sorry Davis, there is no active reservation found under your name in our database to cancel it.

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

ASSISTANT: Thank you for reaching us.