You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: My business meeting place got changed to Detroit, can you please help me in changing my reservation?

ASSISTANT: Sure, may I know your name?

USER: I am Kathleen Garcia.

ASSISTANT: Ok, please wait for a moment I will check the reservation list and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I have checked all the reservation list. I did not found any reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.