You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: My trip was cancelled so I would like to cancel my recent reservation.

ASSISTANT: OK.Can you please help me with your name?

USER: Sure, My name is Richard Campbell.

ASSISTANT: Please give me couple of minutes.

USER: OK.

ASSISTANT: Thank you for your patience. Your ticket has been cancelled.

USER: Thanks for your response.