You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Stephen Lopez. I would like to cancel my recent reservation, because my health is not good to travel.

ASSISTANT: It's ok. Please wait for a while to check your details. I'm really sorry. There is no reservation found by your name.

USER: Ok, that's fine. Thank you for your services.

ASSISTANT: Thank you and have a nice day.