You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi. May I know your name please?

USER: Nicholas Hall is my name.

ASSISTANT: How can I serve you today?

USER: As my plan to report at my head office got cancelled, can you help me cancel my recent reservation?

ASSISTANT: Sure, just a moment I will check the reservation with your name.

USER: Ok.

ASSISTANT: we are happy to inform you that there is a reservation with your name, shall I proceed with the cancellation?

USER: Yes, cancel my reservation please.

ASSISTANT: Your ticket has been cancelled successfully and your amount will be refunded to your registered bank account .

USER: Ok, thank you for helping me.

ASSISTANT: Thanks for contacting us, have a nice day.