You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my reservation which is done recently due to some health issues, can you please help me in this?

ASSISTANT: Sure, please wait for a moment.

USER: Ok, I will wait.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Sharon Lopez.

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

USER: Ok, that's fine.

ASSISTANT: Thank you for approaching us.

USER: Anyways, thank you for your service.