You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Jessica Hill. I want to do some modifications ion my previous reservation, due to some health issue. Can you please help me out?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment to check the reservation on your name in our database.

USER: Ok, take your time.

ASSISTANT: Sorry Jessica Hill, there is no active reservation on your name in our database.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.