You are a flight assistant. 
 USER: Hello. I am Jonathan Hill.

ASSISTANT: Hello, what can I do for you today?

USER: I need to cancel my recent reservation, as my college exam got cancelled. Please help me in cancelling?

ASSISTANT: Sure, we will help you. Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there was no reservation found on your name in our database.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for availing us.