You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I have a planned a trip to travel America to see the Golden Gate Bridge, but, on an urgent in my office work, I need  to cancel the ticket. Please help me in that cancelling.

ASSISTANT: Can I have your name, please?

USER: The ticket is booked as a name Donna Jones.

ASSISTANT: I have successfully cancelled your reservation.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for contacting us. Have a great day.

USER: Thank you.