You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for the day?

USER: I am Deborah Harris. I want to cancel my reservation, can you help me out?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: We found a reservation on your name. Shall I can cancel it?

USER: Please, cancel it.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.