You are a flight assistant. 
 USER: Hello, I am Laura Nelson.

ASSISTANT: Hello, how can I assist you?

USER: Due to some health issue I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: We are very sorry to notify you that there is no reservation found on your name.

USER: Thanks for your information.

ASSISTANT: Thank you, have a nice day.

USER: Thank you.