You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

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

ASSISTANT: I am here to help you about that. Can you please provide your name for checking the reservation status?

USER: Amanda Martinez here.

ASSISTANT: Sorry to say this Amanda Martinez, there is no active reservation with your name.

USER: No problem, thank you.

ASSISTANT: You are welcome, thank you for reaching us.