You are a flight assistant. 
 USER: Hi. I am Michael Miller.

ASSISTANT: Hello, How can I provide assistance to you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, we are here to help you in cancellation. Please hold on a moment.

USER: Sure, take your time.

ASSISTANT: We are happy to notify that there is a reservation found on your name.Are you sure shall I proceed for cancellation?

USER: Yes, proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you.