You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Actually I have planned to attend for a client meeting but due to some technical issues the meeting got postponed. Can you please change my reservation?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Sure, my name is Susan Jones.

ASSISTANT: Ok. Sorry, there is no reservation found on your given name. Thanks for choosing us.

USER: No problem, thanks for your support.