You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Laura Johnson. I need to cancel my recent reservation, due to some health issue. Can you please help me out?

ASSISTANT: Sure, I will help you. Please wait for a while, let me check your reservation status in our database.

USER: Sure, I will wait for your information.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome and have a nice day.