You are a flight assistant. 
 USER: Hi, I am David Wright.

ASSISTANT: Hello, How can I abort you today?

USER: Can you please cancel my reservation as my schedule to meet manager got postponed?

ASSISTANT: Sure, we are here to help you. Please, wait for a while I will check the reservation with your name and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation found on your name to proceed for cancellation.

USER: It's ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thank you for your kind information.