You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Due to some technical issues, my meeting place has been changed. Can you please change my existing reservation?

ASSISTANT: Sure, we are here to help you. Can I have your name to proceed?

USER: Sure, I am Linda Allen.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for you valuable time, sorry, no reservation found with provided name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for availing us.