You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best serve you now?

USER: Can you help me in cancelling my recent reservation, as my exam is cancelled?

ASSISTANT: Sure, I can help you in that.

USER: Ok.

ASSISTANT: May I know your good name please to track the details?

USER: I am Dennis Roberts.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a reservation found on your name and it has been cancelled successfully now.

USER: Thank you.

ASSISTANT: Thanks for choosing us, wish you a great day.