You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Patrick Robinson. Can you help me with cancellation of my recent reservation?

ASSISTANT: Patrick Robinson, I am glad you have contacted us. I will help you.

USER: Sure.

ASSISTANT: Please allow me a minute.

USER: Ok.

ASSISTANT: I have found your booking details . Shall I cancel the booking?

USER: Yes, please cancel.

ASSISTANT: I have successfully cancelled your flight ticket.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a great time.