You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to cancel my recent reservation, as my health is not good. Can you please help me out with it?

ASSISTANT: Sure, may I know your name please?

USER: Thank you for the response. My name is Catherine Robinson.

ASSISTANT: Please give me a moment.

USER: Ok, sure.

ASSISTANT: We found a reservation with your given name and it has been cancelled successfully.

USER: Ok, thank you for the service.

ASSISTANT: Thank you.