You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with cancellation?

ASSISTANT: Sure, may I know your name?

USER: My name is Robert Campbell.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: There is a reservation on your name. Shall I proceed with cancelling?

USER: Ok, proceed with cancellation.

ASSISTANT: Your cancelling has been done on name  of  Robert Campbell.

USER: Thanks for the help.

ASSISTANT: Thank you for approaching us.