You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Laura Harris here.

ASSISTANT: Laura Harris, how may I assist you today?

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

ASSISTANT: Sure, I will help you. Please allow me a minute.

USER: Sure.

ASSISTANT: Laura Harris, I am sorry to inform you that there is no booking done on your name to change.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us. Have a great time.