You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: William Walker here. I want to cancel my reservation due to bad weather condition at my destination location, can you please help me out with that?

ASSISTANT: Sure, I will help you in cancelling the reservation.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry William Walker, no reservation  has found under your name to cancel.

USER: That's ok, no problem. Anyway thank you for the information.

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