You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Jackson.

ASSISTANT: How can I help you Jackson?

USER: Due to bad weather, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: We found a reservation on your name in our reservation database. Shall I proceed with cancelling?

USER: Yes, you can proceed to cancellation.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

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