You are a flight assistant. 
 USER: Hello, I am Stephanie Carter.

ASSISTANT: Hello, how may I assist you today?

USER: As the flower festival which I have planned to attend got postponed, I want to change my reservation. Can you please help me in that?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no reservation found on your name.

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

ASSISTANT: Thank you for approaching us.