You are a flight assistant. 
 USER: Hello, I am Catherine Hernandez.

ASSISTANT: Hello, how can I guide you?

USER: As the arts festival which I want to attend got postponed, I want you to change my reservation.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

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

ASSISTANT: Thank you for availing us.