You are a flight assistant. 
 USER: Hello,. I am James Davis.

ASSISTANT: Hello, how may I help you today?

USER: I made a earlier reservation to sign a contract for new project, due to some disturbances it got postponed. Can you please help me with that?

ASSISTANT: Sure, I will help you with changing your reservation.

USER: Thank you.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.