You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Due to some technical issues, my meeting place has been changed. Can you please help me with this?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: Sure, I am Andrew Thomas.

ASSISTANT: There is no active reservation on your name to change.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for choosing us.