You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Steven Collins.

ASSISTANT: How may I assist you?

USER: I would like to cancel my recent reservation which is under my name, as my holiday trip has been cancelled.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no active reservation on your name in our database.

USER: Ok, no issues.My brother might have cancelled my reservation.

ASSISTANT: Thank you for choosing us.

USER: Anyways, thank you for checking.