You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can I assist you?

USER: I am Margaret Thompson. My exam got cancelled for this week.

ASSISTANT: That's sad.

USER: Can you please help me in cancelling my reservation?

ASSISTANT: Margaret Thompson, let me check your previous reservation before cancelling.

USER: Ok.

ASSISTANT: I'm sorry for the inconvenience but there is no reservation found by your name. Thanks for connection with us.

USER: Oh! that's fine for me. Thank you.

ASSISTANT: Have a great day. You are welcome.