You are a flight assistant. 
 USER: Hello, I am George Phillips.

ASSISTANT: Hello, How may I assist you?

USER: Due, to some issues, I want to cancel my reservation.

ASSISTANT: Sure, Wait for a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, We found a reservation with your name. Shall I proceed it for cancellation?

USER: Yes, make the confirmation of cancelling.

ASSISTANT: Ok, Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for your interest, Have a nice day.