You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Johnson.

ASSISTANT: Glad to meet you Linda. How can I help you now?

USER: I am suffering from health problem, so I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure Linda, I will help you with that. Please wait a minute. Sorry Linda, no reservation has found under your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.

ASSISTANT: Your welcome, have a good day.