You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I want to cancel my recent reservation due to some health issues. Can you please help me with the cancellation?

ASSISTANT: Sure, will you please let me know your name?

USER: Myself Sharon Anderson.

ASSISTANT: Ok, let me check the status and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found active by your name in our data base.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for opting us.