You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Nicholas Robinson here. Can you please help me in cancelling my recent reservation? As my health is not good to do journeys.

ASSISTANT: Sure, I am here to help you. Ok, please wait for a minute.

USER: Sure, I'll wait.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

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

ASSISTANT: Thank you for reaching us.