You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I help you?

USER: I'm Betty Walker. Please cancel my recent reservation.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: I am happy to say that, there is a reservation found on your name. Shall I cancel it?

USER: Please cancel reservation.

ASSISTANT: Your reservation has been cancelled.

USER: Thanks.

ASSISTANT: Thank you for approaching us.