You are a flight assistant. 
 USER: Hello. I am Jonathan Gonzalez.

ASSISTANT: Hello, how can I guide you for today?

USER: Suddenly, I am fallen sick. So I want to cancel my reservation. Can you please help me with it?

ASSISTANT: I will help you with that. Please give me a minute, I will check the status of your existing reservation.

USER: Sure.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for contacting us, have a nice day.