You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Due to heavy rains cricket match was postponed, so I need to cancel my recent reservation.

ASSISTANT: Sure, I am ready to help you with that.

USER: Ok.

ASSISTANT: Can I have your name please to check your reservation status?

USER: Brandon Phillips here.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry Brandon Phillips, no reservation has found under your name to cancel.

USER: That's ok, no problem. Thank you for informing.

ASSISTANT: Thank you for choosing us, have a good day.