You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I need to change my reservation as I want to stat back at my home. So, can you assist me in that?

ASSISTANT: Sure, let me know your good name please?

USER: Mark White is my good name.

ASSISTANT: Ok, please wait for a moment.

USER: OK.

ASSISTANT: Thanks for waiting, no reservation found on your name to change.

USER: That's ok, not a problem. Thanks a lot.

ASSISTANT: Thanks for consulting us.