You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am facing some health problems and doctor suggested me not travel to any other places, can you please find and cancel my previous flight ticket booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you for accepting my request.

ASSISTANT: May I know your name please to proceed further?

USER: My name is Gary Anderson.

ASSISTANT: Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: That's fine, I think it is not booked properly while I was booking. Thank you for your information.

ASSISTANT: Thanks for contacting us.