You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know how well I can help you today?

USER: Michelle Robinson here. I have changed my plans for the trip where I had to meet my friends, so could you  please change my reservation.

ASSISTANT: Sure, I am glad to help you. Forward me your name to check your reservation status. Ok, please wait for a while.

USER: Sure. Take your time.

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

USER: No issue, thank you for the information.

ASSISTANT: Thank you for reaching us.