You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: My name is Carolyn Perez. My dance competition was postponed, so please change my existing reservation.

ASSISTANT: Sure, we are glad to help you.

USER: Ok.

ASSISTANT: Can you please wait for a moment, I will check with your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting. We are hardly try to find your reservation but, no reservation has been found with your name.

USER: No problem, thanks for your help.

ASSISTANT: Thank you for reaching us. Have a good day.