You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Prepone plan came into a picture owing to announcement of birth of baby boy. So I need to change an existing reservation, can you please help me in that?

ASSISTANT: May I know your name for the existing reservation process?

USER: My name is Virginia Moore.

ASSISTANT: Please be on hold let me check and know you the reservation status.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, we did not find any reservation under your name.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for reaching us.