You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, may I know your name to check the the reservation?

USER: Sure, I am Sharon Miller.

ASSISTANT:  Ok, please wait I will revert you in a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that no reservation was found on your name in our data base.

USER: Ok, Thank you for your service.

ASSISTANT:  Thank you for availing us.