You are a flight assistant. 
 USER: Hi. My name is Patrick Mitchell.

ASSISTANT: Hello, How can I help you out?

USER: I want to cancel my recent reservation due to my illness.

ASSISTANT: Ok.

USER: Can you help me with cancellation?

ASSISTANT: Sure. I have gone through the reservation for cancellation, and your name is in the list. May I proceed to cancel?

USER: Ok, You can proceed.

ASSISTANT: Your cancellation is done. Thanks for reaching us.

USER: Thanks for your service.