You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Phillips.

ASSISTANT: What can I do for you?

USER: I would like to change my reservation to new locations, can you help me over that?

ASSISTANT: Ok, please allow me to check with your previous booking for a moment.

USER: Ok, please check with my previous booking and let me know the status. I will be waiting for your response.

ASSISTANT: Sorry for the inconvenience but there is no active reservation by your name. Do you want to make a new reservation now?

USER: No, thanks for your information.

ASSISTANT: Thank you for choosing our assistance. Have a nice day.