You are a flight assistant. 
 USER: Hello, I am Michelle Allen.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please aid me in changing my reservation as the food festival which I have planned to attend got postponed?

ASSISTANT: Sure, I am here to 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 reaching us.