You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Brian Carter here. I just want to cancel my reservation, because I would like to travel in The Queen Mary Ship to reach my destination.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: We found a reservation on your given name, shall I proceed to cancel it?

USER: Yes, please cancel it.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.