You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my reservation due to my planned event got cancelled. So please help me with cancelling my reservation.

ASSISTANT: May I know your name please?

USER: Thank you. Please check the reservation with my name Margaret Taylor.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: Oh! It may not booked properly due to  server issues while booking. Anyway, thank you for your time.

ASSISTANT: Thank you for opting us.

USER: Most welcome.