You are a flight assistant. 
 USER: Hi, I am George Harris.

ASSISTANT: Hello George, how can I help you today?

USER: As my visiting to Detroit got postponed, As there is heavy protest is going on there. Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you, wait for a moment please to check your reservation status.

USER: Ok.

ASSISTANT: Harris, I did not found any reservations with your name.

USER: Ok, thanks for your quick response.

ASSISTANT: My pleasure, have a nice day.