You are a flight assistant. 
 USER: Hello, I am Deborah Phillips.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please change my reservation as the food festival which I want to attend got postponed?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry Deborah Phillips, no reservation done on your name.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for approaching us.