You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Virginia Brown.

ASSISTANT: How can I aid you?

USER: I need to amend my reservation due to some issue, can you help me out?

ASSISTANT: Sure, I am here to do that. Pleas wait for a while.

USER: Thank you and take your own time.

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

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.