You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today from my side?

USER: Myself Jennifer Jackson. I want to cancel my recent reservation due to some health issues, can you help me in cancelling the flight reservation?

ASSISTANT: Sure, I am glad to solve you out from your concern. Please allow me a moment to check whether any active reservation is found on your name or not.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Jennifer Jackson, there is no active reservation on your name in our data base.

USER: That's ok, no problem. May be my friend had been cancelled and I'm not aware of it. Anyway thank you for the information.

ASSISTANT: Thank you for reaching us.