You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Virginia Evans, want to alter my recent reservation. Please help me out with that.

ASSISTANT: Please give me a minute.

USER: Sure.

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

USER: It's ok, no issue. Thank you for your help.

ASSISTANT: You are welcome.