You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Due to my ill health, I would like to cancel my recent reservation. Can you help me with this?

ASSISTANT: I am glad to help you, can you please tell me your name?

USER: My previous reservation has done with the name Patricia Davis.

ASSISTANT: Davis, please wait. Let me check your reservation status.

USER: Sure.

ASSISTANT: Davis, I have not found any reservation by your name.

USER: Ok, not an issue. May be my friend has already cancelled my reservation on behalf of me. Thank you for providing information.

ASSISTANT: Thank you for approaching us and take care.