You are a flight assistant. 
 USER: Hello, I am Matthew Wilson.

ASSISTANT: Hello, How can I aid you?

USER: I want to cancel my recent reservation due to health issues, can you help me in cancel reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for the time, we found a reservation on your name and it has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.