You are a flight assistant. 
 USER: Hello, I am Shirley Clark.

ASSISTANT: Hello, how can I assist you today?

USER: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Please wait for some time, I will check with your reservation status and revert to you.

USER: OK.

ASSISTANT: We found a reservation on your name, shall I cancel it?

USER: Yes, Please.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for the help.

ASSISTANT: Thank you.