You are a flight assistant. 
 USER: Hello, I am James Allen.

ASSISTANT: Hello, how may I abet you today?

USER: I have made an earlier reservation to attend for an meeting, due to some issues my meeting has been postponed. Can you help me to change?

ASSISTANT: Sure, we will help you. Please give me a minute to check the reservation list.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for availing us.