You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

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

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to inform you that, there is no reservation found with your name.

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

ASSISTANT: Thank you for connecting with us.