You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nicole Parker here.

ASSISTANT: How can I assist you today?

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

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Sure.

ASSISTANT: Nicole Parker, there is no reservation found under your name to do modifications in that.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.