You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

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

ASSISTANT: Sure, I am happy to help you with that. Can I have your name please to check your reservation status?

USER: Thank you. Sure, my name is Janet Jackson.

ASSISTANT: Ok, please wait a moment and I will inform you soon.

USER: Sure, I will wait.

ASSISTANT: Sorry Janet Jackson, no reservation has found under your name to cancel.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Anyways, thank you for your valuable time.

ASSISTANT: Most welcome.