You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra King.

ASSISTANT: By what way, may I address you now?

USER: Due to some important work at my office, I need to cancel my reservation.

ASSISTANT: Ok.

USER: Can You please cancel my reservation?

ASSISTANT: Wait a while, I will check the status and let you know the details.

USER: Sure.

ASSISTANT: We found a reservation on your name. Can I make it to cancel?

USER: You can cancel.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for picking us.