You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Due to heavy snow fall my exams have been postponed. Can you please help me in cancellation?

ASSISTANT: Sure, may I know your name?

USER: Sharon Rodriguez here.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, not a problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your help.