You are a flight assistant. 
 USER: Hi. I am Mark Edwards.

ASSISTANT: Hello, how can I help you now?

USER: I want to attend an event which is conducting for special children, but unfortunately the event was cancelled. Can you help me in cancelling my reservation?

ASSISTANT: Sure, I will help you to cancel your flight ticket.

USER: Thank you.

ASSISTANT: Please wait for a moment while I search for the reservation.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, we are sorry there is no any reservation is found on your name.

USER: Not an issue. Thank you for quick response.

ASSISTANT: Thank you for visiting us, we hope see you again.