You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Please cancel the reservation with the name of Mary Edwards.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Shall I proceed to cancel it?

USER: Fine, cancel it.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.