You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

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

ASSISTANT: Sure, may I know your name please?

USER: Ok, my name is Jason Thompson.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you for your appreciable service.

ASSISTANT: You are welcome.