You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Dorothy Johnson. Due to some financial issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: I have found a reservation on your name and cancelled it successfully.

USER: Thank you for your kind service.

ASSISTANT: You are most welcome.