You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Virginia Moore.

ASSISTANT: Virginia, how can I assist you?

USER: I would like to change my reservation as I am going for a party, can you please help me out?

ASSISTANT: Sure, please give me a moment to check your reservation details.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no active reservation by your name in our database.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for choosing us.