You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation due to my health issue so, can you please help me in cancellation?

ASSISTANT: Sure, may I know your name?

USER: My name is Timothy Wilson.

ASSISTANT: There is no reservation on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.