You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you please help me to change it on the name of George King?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you.