You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you for today?

USER: I am Matthew Perez. I want to cancel my recent reservation, can you help me in cancelling my reservation?

ASSISTANT: I am here to assist you in cancellation of your reservation Matthew Perez..

USER: Thank you.

ASSISTANT: Sorry to say this Matthew Perez, there is no active reservation with your name in our data base to cancel your reservation.

USER: Its ok, thank you.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.