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

ASSISTANT: Hello, how can I aid you today?

USER: I made a reservation earlier to attend for music festival due to bad weather it got postponed. Can you please change my reservation?

ASSISTANT: Sure. Please, wait for a while.

USER: Sure.

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

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

ASSISTANT: Thank you for availing us.