You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Virginia Edwards.

ASSISTANT: How may I assist you today?

USER: I need to change my reservation. Can you please help me with that?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to tell you that, there is no active reservation found with your name in our database to change it.

USER: Ok, no problem. Thank you.

ASSISTANT: My pleasure.