You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: Can you please change my active reservation as my meeting was changed?

ASSISTANT: Sure, I am glad to help you to change it.

USER: Anthony Miller.

ASSISTANT: Thanks for providing your name, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thanks for your time, there was no active reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.