You are a flight assistant. 
 USER: Hi. Virginia Phillips here.

ASSISTANT: Hello, how can I assist you?

USER: Can you change my flight ticket reservation?

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: I am Virginia Phillips.

ASSISTANT: Please give me a moment to check your reservation status in our database.

USER: Sure.

ASSISTANT: Virginia Phillips, there is no active reservation found under your name to do modifications in that.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for choosing us.