You are a flight assistant. 
 USER: Hi, my name is Virginia Davis.

ASSISTANT: Hello, how can I be of your assistance?

USER: I would like to change my existing reservation due to bad weather at my place. Can you help me with it?

ASSISTANT: Sure, just a moment I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any reservation by this name.

USER: That's ok, thank you for the information.

ASSISTANT: Thanks for opting us.