You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Virginia Brown.

ASSISTANT: How can I assist you today?

USER: Can you assist me in changing my earlier reservation, due to wrong destination code was provided in previous reservation.

ASSISTANT: Sure, I can help you with that.

USER: Ok.

ASSISTANT: Give me a moment to check your details.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to inform you that we didn't found any reservation under your name.

USER: Ok, not a problem. Thank you for quick service.

ASSISTANT: Welcome. Thank you for reaching us.