You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can I know your good name?

USER: Yes, I am Richard Campbell.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, We found a reservation on your name.

USER: That's fine, not an problem.

ASSISTANT: Shall I cancel it?

USER: Yes, you can.

ASSISTANT: Your flight ticket has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.