You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER:  Owing to an emergency, my meeting with client got cancelled, so I want you to cancel my recent reservation.

ASSISTANT: Sure, may I know your name?

USER: Sure, Dorothy Wright here.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

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

USER: Yes, you can.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you.