You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How may I give assistance to you?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: Myself, Brandon Robinson.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that, there was no reservation found on your name to cancel it.

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

ASSISTANT: Thank you for availing us.