You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your help?

USER: Can you please change my reservation due to meeting got delayed a week?

ASSISTANT: Sure, for that I need to know your name can you provide it.

USER: Sure, My name is Kenneth Martinez.

ASSISTANT: Please wait a moment I will check the reservation list.

USER: OK.

ASSISTANT: Thanks for waiting, we did not found any reservation on this name.

USER: Ok, no problem. Leave it.

ASSISTANT: Thanks for approaching us.

USER: Thanks for the response.