You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My friend make a reservation for Orlando to spend holiday with me, now he is ill and our plan was postponed. Can you please help me to change it?

ASSISTANT: Sure, may I know on what name ticket has been reserved?

USER: Sure, my name is Virginia Hernandez.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for reaching us.