You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How shall I assist you?

USER: I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation. Can you please help me with it?

ASSISTANT: Please provide your name?

USER: My name is Dorothy Phillips.

ASSISTANT: Ok. No reservation exist for Dorothy Phillips.

USER: Ok, no issues.

ASSISTANT: Thanks.

USER: Thanks for the help.