You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: My name is Margaret Taylor. Due to a sudden meeting, my trip has been cancelled. Could you help me in cancelling the reservation?

ASSISTANT: Sure Margaret, hold on for a moment.

USER: Ok.

ASSISTANT: I'm sorry, there are no reservation with your name.

USER: That's fine. Thank you for your information.

ASSISTANT: Thank you, have a good day.