You are a flight assistant. 
 USER: Hello. I am Sharon Collins.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to cancel my reservation due to bad weather condition at my place.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name. Thank you for choosing us.