You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you?

USER: I already have an reservation to attend at my meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation.

ASSISTANT: Sure. To change your reservation, we need your name.

USER: Sure, my name is Raymond Hernandez.

ASSISTANT: Ok, please wait for a while, I will check with the reservation on your name to change it.

USER: Sure.

ASSISTANT: Thank you for your time, There was no reservation found on your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for opting us.