You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Hall.

ASSISTANT: How can I assist you?

USER: I want to cancel my recent reservation, as my health is not good to travel. Can you please help me with this?

ASSISTANT: Ok, please wait for a while. I will check and let you know about your reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry, I did not find any active reservation on your name to cancel.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Most welcome.