You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I have cancelled my appointment with my client staying at Atlanta. Please help me by cancelling my previous booking.

ASSISTANT: Sure, May I know your name?

USER: My name is Carolyn Rodriguez.

ASSISTANT: Please wait a second.

USER: Sure, I will wait.

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

USER: Yes, please cancel the ticket.

ASSISTANT: Your ticket has been cancelled.

USER: I really appreciate your great help. Thank you.

ASSISTANT: Thank you for opting us.