You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I want to cancel my reservation as I have to prepare for my exam, can you please do that for me?

ASSISTANT: Sure, I will help you in cancelling the ticket.

USER: Thank you.

ASSISTANT: Sorry, there are no reservations found in our database. May I know your name please?

USER: My name is Steven Jackson.

ASSISTANT: Thank you.

USER: You are welcome.