You are a flight assistant. 
 USER: Hello. I am Barbara Jones.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As I am a C.B.I office, I have planned to go to Boston for a special case, but due to emergency I would like to cancel my reservation. Help me in cancelling my flight ticket.

ASSISTANT: Sure, I am blissful to help you. Please stand by.

USER: Sure.

ASSISTANT: Thanks for being on hold. I regret that there is no reservation found on your name.

USER: Its ok, thank you for your assistance.

ASSISTANT: Thanks for opting us, have a great day.