You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you please help me to cancel my recent reservation due to my health issues?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check the reservation details.

USER: I am Brian Gonzalez.

ASSISTANT: Brian Gonzalez, here is an active reservation on your name in our database. Can I cancel it?

USER: Please proceed.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you for your help in cancellation.

ASSISTANT: Thank you for reaching us.