You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Due to sudden cancellation of my business meeting with some technical problems, I need to cancel the reservation.

ASSISTANT: Ok.

USER: Please aid me in cancellation of reservation.

ASSISTANT: Sure, I will aid you. May I know your name?

USER: Thank you. Katherine Scott is my name.

ASSISTANT: Katherine Scott, there is no reservation on your name.

USER: Fine. Thank you for your quick response.

ASSISTANT: Thank you so much for choosing us.