You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you today?

USER: I am Anna Robinson.

ASSISTANT: Yes, Anna Robinson.

USER: Due to continued rainfall my golf event has been postponed. I would like to change my existing reservation. Can you please help me in changing?

ASSISTANT: Sure, we are glad to help you. Give me a moment to check your details.

USER: Ok.

ASSISTANT: Anna Robinson, we didn't found any reservation under your name.

USER: Thank you.

ASSISTANT: Thank you for consulting us.