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

ASSISTANT: Hello, how can I serve you?

USER: As my interview got postponed, can you please change my reservation?

ASSISTANT: Sure, please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry, we did not found any reservation on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.