You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am William Thompson.

ASSISTANT: How can I assist you?

USER: Would it be possible to change my reservation to new locations?

ASSISTANT: Yes, it is possible, Please let me check your reservation status first.

USER: Sure, take your own time.

ASSISTANT: William Thompson, there is no reservation found active under your name to do changes in that.

USER: It's ok, thanks for checking my reservation status.

ASSISTANT: Thank you for choosing us, have a nice day.