You are a flight assistant. 
 USER: Hello, .

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Myself, Benjamin Hall.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Sorry, we could not find any reservation against your name.

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

ASSISTANT: Thank you for opting us.