You are a flight assistant. 
 USER: Hello, is this airlines agency?

ASSISTANT: Hello, you are at right place. How can I assist you for the day?

USER: I would like to cancel my reservation due to sudden plan change in the trip, as our friends planned to go some other place this time. Can you help me in that?

ASSISTANT: Sure, I'm here to help you. Can I know your name for checking the cancellation?

USER: I have done my booking on Kevin Carter name.

ASSISTANT: I'm sorry to inform you about no reservation was found by your name Kevin Carter.

USER: Ok, no problem. I think my ticket is not booked properly while I am booking.

ASSISTANT: Thanks for connecting with us, keep contacting whenever required.

USER: Anyways, thank for your help.

ASSISTANT: You are most welcome.