You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, May I know your name?

USER: Sure, My name is Brenda Clark.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We have found a reservation on your name, Shall I cancel it?

USER: Ok, proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for opting us.