You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, I will help you. May I know your name?

USER: Myself, Patricia Green.

ASSISTANT: Thank you. Please wait for a while, let me check your reservation status.

USER: Ok.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: You are most welcome.