You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Due to some health issue, I want to cancel my recent reservation.

ASSISTANT: Sure, may I know your name?

USER: Can you please help me with this? Sure, I am Michelle hall.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you.\.