You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

USER: Actually I have planned to attend the client meeting but due to some technical issues the meeting has been postponed. Can you aid me to change it?

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Christine Wilson.

ASSISTANT: Ok, please wait I will check and revert you.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

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

ASSISTANT: Thank you for reaching us.