You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Nancy Allen. I want to cancel my recent reservation, due to my health issues.

ASSISTANT: OK, please wait I will revert you.

USER: Sure.

ASSISTANT:  Sorry, no reservation found on your name.

USER: Thank you, for your information.

ASSISTANT:  Thank you for availing us.