You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand?

USER: I made a earlier reservation to attend a seminar, due to some technical issues it got postponed. Can you please change my reservation?

ASSISTANT: Sure, we are glad to assist you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: My name is Kathleen Garcia.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.