You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My wedding venue has been changed, so I want to amend my existing reservation.

ASSISTANT: Sure, may I know your name for change in your reservation?

USER: Virginia Wright here.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Virginia Wright, there are no active reservations on your given name to change.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching our service.