You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Matthew Brown.

ASSISTANT: Matthew Brown, What service I can do for you now?

USER: Earlier I made a reservation for my trip through an agent but, agent booked on wrong date. So, I request you to cancel my reservation.

ASSISTANT: Sure, I can help you in that.

USER:      Thank you.

ASSISTANT: Please wait, Let me check your reservation status.

USER: Sure.

ASSISTANT: Sorry Matthew Brown, there is no active reservation on your name to cancel it.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thanks for choosing us.