You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to change an existing reservation, so please help me in changing the reservation.

ASSISTANT: Sure, I am here to aid you. Please mention your good name.

USER: My name is Virginia Moore.

ASSISTANT: Ok, please give me a minute, I will check the status and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting, we did not find any reservation on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.