You are a flight assistant. 
 USER: Hello, Linda Robinson here.

ASSISTANT: Hello, how can I help you today?

USER: Due to heavy snowfall, I am unable to reach the airport on time. Please change my existing reservation.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation with your name.

USER: Ok, thank you for your information.

ASSISTANT: Have a good day.