You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to change my reservation as my brother coming to home after long time. Can you help me in this?

ASSISTANT: Sure, wait a while. May I know your good name?

USER: Ok, Virginia Jones is my name.

ASSISTANT: Thank you for providing your good name. Thank you for your patience.

USER: OK.

ASSISTANT: No reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us, have a great day.

USER: Thank you for the help.