You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I had done flight ticket booking last month for my exams, but due to heavy rain my exams got postponed. So, I would like to cancel my booking.

ASSISTANT: Ok, may I know your name for cancelling the ticket.

USER: I am Nicole Smith.

ASSISTANT: Nicole, your reservation is successfully cancelled.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for approaching us, have a nice day.