You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Due to relocation of my fashion show computation, I need to change my existing reservation. Can you please help me with this?

ASSISTANT: Sure, may I know your name to change it?

USER: Sure, I am Christopher Harris.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for availing us.