You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: My business meeting has been postponed due to some technical problem, so I want you to do some changes in my existing reservation. Can you please help me out?

ASSISTANT: Sure, can you please provide your name?

USER: Sure, I am Michael Collins.

ASSISTANT: Please wait a moment.

USER: Ok.

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

USER: No issue, thank you.

ASSISTANT: Thank you for availing us.