You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you at this moment?

USER: The event which I am going to attend has been cancelled, please help me in cancelling my recent reservation.

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: For that I need to know your name. Can you please provide me?

USER: Sure, my name is John Martinez.

ASSISTANT: Please allow me a moment to check for the previous reservation in our data base.

USER: Sure, take your time.

ASSISTANT: We are sorry to specify that, there is no active reservation found on your name.

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

ASSISTANT: Thanks for reaching us.