You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Ruth Roberts. As my party at Boston has been cancelled, help me in cancelling my reservation.

ASSISTANT: Sure, I am here to help you. Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your patience. There was no reservation found on your name.

USER: Its ok, thank you for your assistance.

ASSISTANT: Thank you for opting us.