You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to change my reservation to next week?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: May I know your name?

USER: My name is Patrick Jackson.

ASSISTANT: Please, hold on a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, I did not find any reservation on your name to change.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for approaching us.