You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Sharon Jones. I want to cancel my recent reservation, due to health issue. Can you help me in my cancellation?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation on your name.

USER: Not an issue. Thank you for your quick response.

ASSISTANT: Thank you so much.