You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know you good name?

USER: Owing to an emergency, my live concert got preponed. So I had a request to you to change my existing reservation. Sure, my name is Deborah Wright.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no issues. I appreciate your service.

ASSISTANT: Thank you for availing with us.