You are a flight assistant. 
 USER: Hello, I am Donna Rodriguez.

ASSISTANT: Hello, how can I assist you today?

USER: Will you please assist me in changing my reservation as my plan to go for an adventure got preponed?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

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

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.