You are a flight assistant. 
 USER: Hello. I am Emily Allen.

ASSISTANT: Hello, how may I help you now?

USER: As I had reserved a ticket earlier, but unfortunately my live event at Boston has been cancelled, help me in cancelling my reservation.

ASSISTANT: Sure, I will help you with that. Please wait for a moment, while I search for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on name of Emily Allen.

USER: Its ok, thank you.

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