You are a flight assistant. 
 USER: Hello, Barbara Carter here.

ASSISTANT: Hello, how may I help you for today?

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.

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Sorry Barbara, there is no reservation with your name.

USER: It's ok, no issue. Thank you for your help.

ASSISTANT: Most welcome.